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Electronics

$75.00
**Only compatible with SL Sprint Stem (4 bolt)** Zipp’s QuickView Integrated stem faceplate computer mount provides an efficient fix for an emerging challenge on modern bikes, system integration. This new mount doubles as the stem faceplate for a clean look that securely holds your cycle computer and a light or camera. No more multiple mounts bolted on here and there. The mount sits in front of your Zipp stem, positioning it for easy viewing and access. The Zipp QuickView Integrated mount will have two variants, one compatible with Service Course, Service Course SL, and SL Speed models, and another designed for use with the SL Sprint. This is an easy way to add elegant integration to your road bike. FEATURES -Computer compatibility: Garmin™, Wahoo™ -Accessory compatibility: GoPro™ -Lights: Niterider Lumina Series™ (with adapter), Light and Motion™, Bontrager™ (with adapter), Gloworm™ (with adapter), Lezyne™ (with adapter), Infini™ (with adapter), Sigma Sport™ -Lifetime warranty
$34.99 $39.99 13% Off
The Beetle 6 is a larger version of the BiKASE Beetle that has been stretched to accommodate the iPhone 6/6S Plus and other large mobile phones. Storage space underneath phone compartment for energy bar, wallet, keys, or tools. Mounts securely to the top tube using Velcro straps and shock cord around stem. - Pocket fits iPhone 6/6S Plus and other larger smart phones - Clear cover allows device visibility and operation - Mounts to top tube or stem - 2 multi positional straps & shock cord for mounting - Internal lastic stiffener and anti-slip fabric bottom - dual zippers - 8" x 4" x 2"
$159.95
Our most advanced wireless headphones yet, engineered for premium sound and a long-lasting battery to keep you aware & motivated to power through any workout. Open-Ear Design—Patented bone conduction headphones deliver premium audio through the cheekbone. Unlike over ear headphones, Aeropex keeps you connected and aware of your surroundings. - Lightweight & Comfortable—Experience unmatched comfort with our most lightweight and comfortable sport headset, featuring a bud-free, pain-free design for all-day listening. 8th Generation Bone Conduction Technology - Eight Hours of Music & Calls—Enjoy 8 continuous hours of music or podcasts, plus dual noise-canceling mics for crystal clear calls with our wireless Bluetooth headphones. - IP67 Waterproof Rating—Completely sweat and waterproof earphones for workouts, fitness and running. Moisture detection alert included for safe charging. (Not suitable for swimming) - Exclusive Sport Pack—Includes Aeropex bone conduction headphones and sport belt to keep you hands-free in style.
$24.99
The Protege Series are great for training, touring, or keeping track of car-free miles. - Four-line, easy-to-read macromonitor LCD display provides up to five pieces of data at a glance - Heavy-duty, oversized wire harness and ultrasonically welded case ensure a durable, weatherproof unit - Mode changing is easy: push the computer forward in the spring loaded bracket- the computer is the button - Auto start/stop and LCD shut off - Fits 25.0-31.8mm handlebars - Weight: 57 grams with bracket and sensor - Case size: 40mm x 47mm - Height (w/ bracket): 27 mm
$39.99
The Beetle X Phone Bag is designed to place any phone on your Top Tube or Stem for easy access to your phone, energy bar, phone, wallet, or other small items. Any smartphone with or without a case will fit (iPhone 11 Pro Max, iPhone 11 Pro, iPhone 11, iPhone 10, etc.). - 4 multi-positional straps for mounting - Straps are extra-long, so cut to the desired length - Fits the largest phones with large cases - Phone is operable & audible while in the case - Good size for wallet, energy bar, and wallet - Made of 840 denier nylon & polyester - 7" x 3 1/2" x 2 1/2"
$59.99
Instant Bike Dashboard A smartphone bike mount is a worthy investment for any commuter, cyclist or weekend warrior who prefers his or her phone at the ready. With a sleek and unobtrusive design, this lightweight device, crafted of forged aluminum, is the ideal minimalist solution for your phone holder needs. - Construction: Forged aluminum with silicone stretch web. Aesthetic patent-pending design offers riders a low-profile mount. Additional support arm for forward-facing placement on any handlebar from 25 mm. - Compatibility: Silicone stretch web material securely fits any phone (standard or plus size) with any case. The textured platform provides plenty of grip, even in inclement weather. - Universal: When your smartphone isn't enough, change out the provided adapter mounting suited for your Garmin and Wahoo systems. An all-in-one solution within a single mount, each of your screens stay visible and secure, even on the roughest terrain. - Convenient: With your phone securely mounted to your handlebar, you can use navigation apps to reach your destination, and always stay connected. - Lightweight: Only 50g—no added weight to bike profile.
$59.00
SRAM eTap Battery is the power source for the eTap system. The same power unit is interchangeable between front and rear derailleurs. - Up to 1000 kilometers of riding per charge - Weight: 24g - Finish: Black - Compatibility: SRAM RED eTap
$549.99
Introduce the rider you are today to the one you’ll be tomorrow. The Edge® 840 Solar touchscreen cycling computer offers targeted adaptive coaching when used with your compatible power meter and heart rate monitor. It helps you manage your efforts by providing power targets throughout a course plus stamina insights, so you know how much gas is left in the tank. Ride longer with solar charging, and get superior accuracy under dense tree cover or the urban canyon, thanks to multi-band GNSS technology. It features button controls that work in any environment matched with a responsive touchscreen so you can tap, pan and swipe on the fly. Whether you’re riding roads, trails, gravel or indoor, you can benefit from insights and workouts that will help you understand your strengths and weaknesses and prepare for upcoming races or personal milestones.
$429.00
Reach new goals and explore new roads with a power meter that delivers on accuracy, durability, and reliability. The DFour DUB was designed specifically for Dura-Ace R9100 chainrings. Train using a Quarq power meter without changing your drivetrain. You are working hard, pushing yourself to new heights in some of the toughest conditions. Ride with confidence knowing that your power meter will not quit when you need it the most. Enjoy up to 200 hours of ride time in any weather condition with its IPX7 waterproof rating and 10k temperature compensation; if harsh climates do not hold you back, then you need a product capable of rising to the occasion. That is exactly what the DFour DUB power meter is made for. Train harder, ride faster, and unlock your ultimate potential. The DFour DUB power meter brings simplicity and ease-of-use to your training. With MagicZero automatic calibration, there is no need to worry about calibrating before you ride; just jump on your bike and go. DFour DUB features Bluetooth low energy and ANT+ wireless data transfer, delivering power output information directly to your cycling computer. Features - Bluetooth low-energy technology and ANT+ wireless data transfer - MagicZero - automatically checks and recalibrates your power meter as you ride – no need to manually calibrate - AxCad - no cadence magnet required - 10K Temperature Compensation - Battery - CR2032, 200-hour battery life, change without tools - OmniCal - swap chainrings without affecting accuracy - 2-year warranty - IPX7 waterproof rating - Accuracy - within 1.5%, measuring both legs
$43.99
Best In Class You're never more than an arm's reach from your smartphone, and Delta's bicycle phone mount provides convenient and visible placement for your phone. With your phone securely mounted to your stem OR handlebar, with multiple options available, you can use navigation apps to reach your destination and always stay connected to loved ones with proprietary access to Face ID and Touch ID for new generation devices. Features Secure Display - Built-in locking mechanism ensures your mobile phone is securely held and mounted to your bicycle yet is adjustable for convenient display while riding. Multiple Mounting Options - Included handlebar and stem cap mounts allow you to position your phone in your desired location, suitable for every bike. Includes additional ElastoMount to connect to any bar and for quick on/off. Secures to handlebar diameters up to 1 3/8"/35 mm Accessible - Stretch fit design provides easy in & out access to your device—spend more time riding and less time fumbling during an important call or when a change of route is needed. Trusted Quality - Integrated silicone bumpers protect your mobile device from scratches and reduce vibration while riding. Don't let rough patches or bumps deter you from your adventurous ride. Weight - 0.24 lbs / 110 grams
$368.00
Power every ride. We've taken the reliability, elegance, and features of Quarq's legendary crank-based power meter and dropped the barrier to entry once again. This new power meter platform is entirely contained within the DUB spindle for clean integration that fits more bikes than ever. - An elegant,integrated design - DUB-PWR spindle-based unit measures left-side power to calculate total watts - Proven Quarq reliability and accuracy - Long battery life (400+ hours) to power a season of rides - User-replaceable lithium AAA battery - DUB bottom bracket adds durability and simplicity - Waterproof (IPX7 waterproof to 1 meter for 30 minutes) - Lightweight (less than 40g heavier than standard crankset) - BB not included
$29.99
Are you looking for an incredibly simple way to mount your phone to your bicycle? Do you want that case to have a plethora of mounting options and accessories? Well... look no further than the ElastoKASE from BiKASE. Utilizing the 1/8 turn connection of the GoKASE and the simplicity of a rubber lined, gripping shock cord, the ElastoKASE is your "go to" phone or anything case. • Phone holder for 6-inch phones and smaller • Works with GoKASE attachments and brackets • Material: TPE & Shock Cord
$54.99
The Protege 9.0 uses the Planet Bike 4-line MacroMonitor display and has digital wireless technology to eliminate messy wires. - Functions: Current Speed - Speed Comparator - Ride Time - Trip Distance - Dual Odometer (for 2 wheel sizes) - Average Speed - Maximum Speed - Clock - Temperature - Digital technology results in decreased interference - Easy-to-adjust sensor that fits bladed spokes up to 4 mm - 4-Line MacroMonitor LCD displays up to 5 pieces of data at a glance - Fits 25.0-31.8mm handlebars - 21" wireless range
$34.99
The Protege Series are great for training, touring, or keeping track of car-free miles. - Four-line, easy-to-read macromonitor LCD display provides up to five pieces of data at a glance - Heavy-duty, oversized wire harness and ultrasonically welded case ensure a durable, weatherproof unit - Mode changing is easy: push the computer forward in the spring loaded bracket- the computer is the button - Auto start/stop and LCD shut off - Fits 25.0-31.8mm handlebars - Weight: 57 grams with bracket and sensor - Case size: 40mm x 47mm - Height (w/ bracket): 27 mm
$55.00
From the downhill mountain biker to the farsighted cyclists, the Padrone is ideal for anyone who wants to enjoy a squint-free ride and a fast, simple set-up. - Analog wireless - Large display and sleek design - Auto start/stop - Menu screen to change setting - ClickTec button interface - Programmable odometer - Battery indicator - FlexTight universal bracket
$54.95 - $55.00
The Padrone features a large bike computer display, making it easy to see in all conditions. - The Padrone features the following measurements: Current/ average/ maximum speed, total distance, trip distance, elapsed time, clock, and stopwatch - Its large display size makes it easy to read while riding - Easy to set up, read and use - ClickTec button interface for easy use - Analog wireless computer - Programmable odometer - Auto start/stop - Menu screen to change setting
$36.99
Instant bike dashboard Enhance your riding experience while delta keeps your mobile phone safe. Whether cycling is a new hobby or you're an avid competitor, riding a mountain bike or a classic two-wheeler, this phone holder will provide full-screen visibility and hands-free access to ensure maximum safety for you AND your smartphone, while on the road! Features Mobile Phone Compatibility - Bicycle mobile phone mount compatible with phones up to 2.9 inch wide, .625 inch depth, 6 inch length (up to iPhone X and Samsung Galaxy 9 non plus + versions). Secure Mobile Phone Mounting - Weatherproof bungee and rubber inserts keep phone secure while delta’s patented cam lock provides added security for your mobile phone on rough terrain. Easily Accessible - Sliding system allows for easy in/out while on the go, stop for an important call, adjust navigation, and never worry about missing the perfect photo opportunity while riding. Multiple Mounting Options - Included handlebar and stem cap mounts allow you to position your mobile phone in your desired location. Securely mounts to handlebar diameters up to 1 3/8" / 35 mm. Quality Construction - Designed for road cycling, your mobile phone is fully enclosed and securely mounted in place with a built-in locking mechanism. Precision-engineered design grips your device, providing ease-of-mind on the roughest terrain. Weight - 0.14 lbs / 65 grams
$75.00
Zipp's QuickView Integrated stem faceplate computer mount provides an efficient fix for an emerging challenge on modern bikes: system integration. This new mount doubles as the stem faceplate for a clean look that securely holds your cycle computer and a light or camera. No more multiple mounts bolted on here and there. The mount sits in front of your Zipp stem, positioning it for easy viewing and access. This is an easy way to add elegant integration to your road bike. - Computer compatibility: Garmin, Wahoo - Accessory compatibility: GoPro - Lights: Niterider Lumina Series (with adapter), Light and Motion, Bontrager (with adapter), Gloworm (with adapter), Lezyne (with adapter), Infini (with adapter), Sigma Sport - Lifetime warranty
$29.99
Instant bike dashboard With a sleek, low profile, Delta's X-Mount Pro universally adapts to all phones. Updated models include mounting suited for your Garmin and Wahoo systems, when your smartphone just isn't enough. An all-in-one solution with a single mount, each of your screens stay visible and secure, so navigation and your favorite apps are always within reach. Features Secure - Composite construction securely holds your phone Compatibility - Silicone stretch web material secures any phone with any case Universal - Updated models include mounting suited for your Garmin and Wahoo systems. An all-in-one solution within a single mount, each of your screens stay visible and secure. Construction - Aluminum with silicone stretch web. Aesthetic design offers riders a low-profile mount Quick Assembly - Mount drops under stem cap Weight - 0.11 lbs / 50 grams
$69.99
Wires and sensors are a thing of the past! Simply mount the MSW Miniac Go GPS Computer to your handlebars and hit the dusty road. With simple two-button operation and eight functions at your fingertips, you can track distance, speed, trip time, and more while on the bike. - 1.8-inch monochrome screen with backlight displays four functions at once - Odometer: trip, total - Speedometer: current, average, maximum - Time: current, trip - Also displays calories burned - microUSB data cable included for charging - Up to 10-hour continuous run time - Water resistant
$31.50
The SmartphoneHub transforms your bike into a fully networked eBike. The smartphone and COBI.Bike app turn the SmartphoneHub into an intelligent control center that can be used for navigation, recording activities, and connection to other. The eBike can also be ridden without a smartphone due to the integrated display in the SmartphoneHub, showing the most important riding data. - The SmartphoneHub and the COBI.Bike app connect the eBike to the digital world and allow for navigation, music streaming, fitness tracking, and integration of other services and apps such as Strava - A 1.52-inch display allowing for use without a smartphone - The COBI.Bike app gives eBikers a permanent overview of the most important training data. such as performance, cadence and calorie consumption - The COBI.Bike app allows access to music and audiobook streaming services, such as Spotify or Audible, which can be operated by remote control - The SmartphoneHub charges phones using the eBike battery - Walk assistance function helps you push your eBike at speeds of up to 6 mph
$29.99
Using super heavy duty rubber, the TrailKASE is designed to conveniently fit any size phone with or without a case on your bicycle while you ride! Using an 1/8 turn (10 o’clock to 12 o’clock), the TrailKASE securely attaches to the handle bar bracket (included). By simply wrapping the rubber case around all 4 corners of your phone, your phone is secure and provides 100% visibility to your screen.
$69.99
This premium heart rate strap transmits real-time heart rate data over ANT+ connectivity and BLUETOOTH Low Energy technology, giving you more options to train indoors, outdoors or even online. With it, you’ll be able to consistently receive accurate heart rate on your Garmin device, in online training apps such as Zwift or even the compatible fitness equipment in your favorite class at the gym. So however you like to train, you’ll get the accurate, real-time heart rate you need to take your performance to the next level. HRM-Dual features a soft strap that is comfortable and adjustable. Simply remove the heart rate module, and it’s washable, too. And don’t worry about running out of juice. The battery lasts for up to 3.5 years.
$59.95
Get the most out of each workout with CatEye's Strada Digital Heart Rate Sensor Kit. It works with the Strada Digital Wireless cycle computer to provide you with heart rate data as you ride, so you can track how hard each effort is and hone in your training. Attack each ride and celebrate your successes on the bike!
$585.00
Our 43/30T chainring combo combined with a wide chainline increases tire clearance while providing ideal gearing for venturing off-road. But gravel riders need power measurement too, so we’ve elegantly integrated Quarq technology into the DUB spindle, stealthily gathering the data you need to progress. FEATURES - DUB-PWR spindle-based unit measures left side power to calculate total watts - Proven Quarq reliability and accuracy - Long battery life (400+ hours) to power a season of rides - User replaceable AAA lithium battery - DUB bottom bracket adds durability and simplicity - Waterproof (IPX7 waterproof to 1 meter for 30 minutes) - Lightweight (less than 40g heavier than standard crankset) - Wide chainline crankset for bikes with up to 700x45c or 27.5x2.1" tire widths (43/30T chainrings only) - Compatible with all SRAM Road Wide DUB BBs except Ai
$64.99
The strongest K-EDGE Mount yet, designed for today’s heaviest computers, cameras and lights. Upgrade to the Garmin Max Combo mount for a solid and clean platform for your cycling electronics. Chosen by the best, year after year, when quality, performance and craftsmanship matter. - Max combo mount is compatible with GARMIN Cycling Computers smaller than EDGE 1000, 1030 style (example EDGE 820) - Combo Mount (Computer on top – light or camera underneath) with GoPro style light/camera interface - GARMIN approved replaceable computer insert protects computer tabs - CNC Machined Aluminum, Anodized Black with laser etched logos - Made in-house, Boise, Idaho USA with a Lifetime Warranty - Weight: 60g
$1,099.99
Rally RK200 is tested to the extreme, so you can ride there too. This dual-sensing power meter delivers reliable power measurements and is easy to transfer between bikes, no matter what bike you're on or where you're riding. - Impeccably Designed Pedal—Rally power meters have undergone rigorous testing to ensure total reliability. Featuring a superior design with sensors housed inside, these sleek pedals install like any pedal. And they're quick to transfer between bikes. - Advanced Cycling Dynamics—In addition to total power and cadence, Rally RK200 measures much more. These metrics help you tailor your training around your specific weaknesses and strengths to help you improve. - Left/Right Balance—Measure power from your left leg versus power from your right leg to get a better look at how symmetrically you're producing power. - Seated vs. Standing—Track the amount of time you spend in each position and gauge position effectiveness. - Power Phase—Get a clear look at where you're producing power in the pedal stroke. - Platform Center Offset—Ensure proper cleat position by keeping track of where power is applied on the pedal. - Cleat Compatibility—For a comfortable ride, these pedals are designed with your favorite LOOK KEO cleats in mind. - Transferable Spindle—From road to gravel to cyclocross and much more, keep riding year-round. A transferable spindle can be installed in Rally RS road or Rally XC off-road pedal body kits (each sold separately). - Battery Life—Make sure you're ready for those long rides and training sessions with up to 120 hours of battery life. Specs: - Battery type: LR44/SR44 (x4) or CR1/3N (x2) - Battery life: up to 120 hours - Maximum rider weight: 105kg - Accuracy: +/- 1% - Field calibration - Adjustable release tension - Measurement location: spindle - Communication: ANT+ and BLUETOOTH - Weight: 326g - Water resistance: IPX7 - Cleat type: KEO - Q-factor: 53mm (55mm with provided 2mm washer) - Stack height: 12.2mm In the Box: - Rally RK200 pedals - Cleat hardware - 55mm Q-factor washers - Documentation
$79.99
Bluetooth and ANT+ Heart Rate Sensor with Calorie Tracking and Memory Every effort counts with the TICKR X. Designed to help you get the most out of any workout, the TICKR X tracks heart rate, calories burned, running analytics, and indoor cycling cadence. Equipped with Bluetooth and ANT+ technology, it connects to your favorite training apps, GPS watches, and bike computers, and now supports up to three simultaneous Bluetooth connections. Its new design makes it the lightest and slimmest heart rate monitor on the market, plus the new integrated heart rate sensor and strap design provide a more secure connection and fit! TICKR X even has 50 hours of onboard memory for heart rate and calorie data, giving you the freedom to train device-free. NEW! INTEGRATED CHEST STRAP DESIGN The integrated sensor and strap design of the TICKR X provides a more secure connection and a more secure fit to prevent sliding and shifting while working out. NEW! SLIM, LIGHTWEIGHT HEART RATE SENSOR POD At 1.7oz (48g) and 12.01mm thick, the TICKR is the lightest and slimmest heart rate monitor and strap combination on the market, not to mention the most comfortable! NEW! MULTIPLE SIMULTANEOUS BLUETOOTH CONNECTIONS TICKR X supports up to three simultaneous Bluetooth connections for a trouble-free start to your workout. NEW! TOP DISPLAY LED INDICATOR LIGHTS Two LED lights show visual confirmation of the TICKR X connection status via Bluetooth and / or ANT+: searching for a connections (blue slow blinking light), connecting (blue fast blinking light), and reading heart rate (red blinking at current beats per minute). NEW! ANT+ RUNNING DYNAMICS When TICKR X is paired with a GPS multi-sport or running watch, the ANT+ Running Dynamics will be broadcast on the TICKR X and recorded on the watch for real-time feedback. Seeing this data in real-time can help you make form adjustments, such as proper cadence, to improve your performance during your workout. DUAL-BAND ANT+ AND BLUETOOTH TECHNOLOGY Both ANT+ and Bluetooth capabilities allow for a wireless connection to both smartphones and GPS devices at the same time or separately. REAL-TIME HEART RATE, CALORIE, AND WORKOUT DURATION TRACKING TICKR X measures vital workout metrics, including heart rate, calorie burn, and workout duration in real-time with the Wahoo Fitness app. These metrics can also be sent to compatible third-party apps that track these metrics. FRONT SENSOR & STRAP CONNECTION The front connection on the TICKR X sensor and strap allows you to gear up and go quickly. You don’t have to fumble through side placements of snaps and hooks. COIN CELL BATTERY Includes a coin cell battery that can last for over 500 hours of workouts. INTERNAL MEMORY With on-board memory that can record your workout, the TICKR X allows you to leave your smartphone behind and still capture heart rate, calorie burn, and workout duration. The memory holds up to a 50 hours of workouts! INDOOR CYCLING CADENCE When paired with the Wahoo Fitness App and an indoor cycling workout is selected, the TICKR X will measure cycling cadence. RUNNING ANALYTICS The TICKR X has a built-in accelerometer that measures indicators of running form: Stride cadence, vertical oscillation, and ground contact time. TREADMILL MODE TICKR X features a special workout mode for tracking speed and distance data while running on the treadmill. After a completed calibration exercise in the Wahoo Fitness App, the TICKR X uses your ground contact time and time of workout, to accurately determine your distance and pace while running on a treadmill. WAHOO RUNNING SMOOTHNESS When using the Wahoo Fitness App, the TICKR X measures running form and efficiency across three dimensions that can help you improve your individual running form. ADVANCED PERFORMANCE MATERIAL STRAP Made from advanced performance materials, the TICKR X strap is designed to fit comfortably chest, yet stay securely in place during intense activity. APPLE WATCH AND APPLE TV INTEGRATION Connect directly via Bluetooth to your Apple Watch or Apple TV as another option for gathering heart rate data while you workout. THIRD PARTY APP COMPATIBILITY Works seamlessly with over 50 apps - including Zwift, The Sufferfest, Peloton for cycling and Runkeeper and MapMyRun for running. TECH SPECS - Physical Dimensions (LxWxH): "2.5"" L x 0.2"" W x 1.5"" H (6.3cm L x 1cm W X 3cm H) - Weight: 1.7 oz (48 g) with strap - Battery: Coin Cell (CR2032) - Battery Life: Over 500 active hours - Sweatproof: Yes (Handwashable Strap) - Water Rating: IPX7 (Waterproof up to 5 ft.) - Strap Length: Adjustable from 23" to 48" IN THE BOX - TICKR X heart rate pod - Adjustable soft strap - CR2032 Battery (installed) - Quick Start Guide - Important Product Info Guide
$263.00
Power every ride. We've taken the reliability, elegance, and features of Quarq's legendary crank-based power meter and dropped the barrier to entry once again. This new power meter platform is entirely contained within the DUB spindle for clean integration that fits more bikes than ever. It's invisible technology that adds minimal weight and will help you get to the finish line faster, and it can be used to upgrade any eTap AXS bike. - An elegant, integrated design - DUB-PWR spindle-based unit measures left-side power to calculate total watts - Proven Quarq reliability and accuracy - Long battery life (400+ hours) to power a season of rides - User-replaceable lithium AAA battery - DUB bottom bracket adds durability and simplicity - Waterproof (IPX7 waterproof to 1 meter for 30 minutes) - Lightweight (less than 40g heavier than standard crankset) - Simple and affordable power meter upgrade option - Right Arm/BB/Spider/Chainrings NOT INCLUDED
$77.00
Shimano BT-R1A External Di2 Battery - All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions - Use Di2 system checker to update component firmware - Di2 External Battery, battery charger, and power cable are universal between Dura-Ace 9070, 7970, Ultegra 6870, 6770 and Alfine Di2 systems - Battery weight: 71 grams
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