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Cassettes/Freewheels

$54.99
The Box Four cassette adapts our Prime 9 philosophy of durability, simplicity, and reliability at a great price point. All cogs are stamped from steel, given our durable black coating and then the larger cogs are pinned to each other with spacers for easy installation.
- Compatible with HG freehub bodies
- Steel stamped cogs
- No spiders
- Wide ratio and consistent progression
- ED black protection

$249.00
The TRS Plus Cassette offers impressive range and crisp shifting performance on both SRAM and Shimano drivetrains. Using a unique two-piece, individually replaceable assembly and a 9t cog, the TRS+ provides superior ground clearance in a compact package so you can clean steeper climbs. More range, more fun, same standard.
- The TRS Plus cassette plugs directly into all SRAM Eagle and Shimano XTR, XT, and SLX 12-speed drivetrains
- Smaller 9-46T cassette gives a better chainline, for longer-lasting drivetrains
- The assembly utilizes XD™ Driver mounting to enable a 9-46T 12-speed cassette, keeping the drivetrain simple, yet providing the gear range of a 2X system
- Designed to offer better ground clearance and be run with a smaller chainring to keep equivalent 10-50T gearing (10-50T w/34T chainring = 9-46T w/32T chainring)
- 511% range
- Cassette Body Type: SRAM XD 11/12 Speed
- Cassette Cogs: 9-10-12-14-16-18-21-24-28-33-39-46
- Drivetrain Speeds: 12
- Color: Black
- Weight: 336 g

$39.99
absoluteBLACK single speed cogs feature a unique tooth shape, narrow-wide profile, and perfect roundness. Crafted with CNC machined 7075 aluminum with an anodized finish for long-lasting construction.
- Tooth design is wider and more "square-like" compared to other single speed cogs
- The narrow-wide profile provides additional strength and offers greater chain retention
- Compatible with 1X, 6, 7, 8, 9, 10, 11, and 12-speed chains
- To utilize the narrow-wide feature, use a 9, 10, 11, or 12-speed chain
- Not compatible with half-link chains
- Compatible with Shimano HG cassette bodies

$49.95
Light, strong with extra tall teeth, the Wolf Tooth Aluminum Single Speed Cog is a lightweight option for single speed cogs that's offered in a variety of sizes.
- Wide 4.5mm base won't dig into your freehub
- Made of 7075 Aluminum Alloy for durability and lightness
- Made in the USA

$79.95
Designed to be an extra durable single speed cog option, the Stainless Steel cog features extra tall teeth and a wide 4.5 mm base to limit freehub gouging.
- Made from hardened and electropolished 416 stainless steel
compatible with 9,10,11 speed chains

$95.99
- 11 speed wide range cassette
- Alloy spiders, spacers and lock ring
- Fits Shimano/SRAM freehub

$97.99
- 12 speed wide range cassette
- Alloy spiders, spacers and lock ring
- Fits Shimano/SRAM freehub
- 11-50T

$35.00
Pair this cog with your Shimano-compatible rear hub, spacers and a lockring (sold separately) and discover the joy and simplicity of a singlespeed without the cost of a new wheel. Machined from heat-treated chromoly and then chrome plated, these seriously tough cogs are strong, shiny and they come in sizes from 13T to 22T so you can pick the perfect gear.

$35.00
Machined from heat-treated, chrome-plated chromoly, these seriously tough cogs will hold up to massive track sprints and crazy skid-stops. Surly's Track Cogs are strong, shiny and they come in two widths and sizes from 13T to 22T so you can select the perfect gear.

$18.99
- Lightweight Design
- Steel rings with engineering polymer spacers
- Nickel finish
- 7 Speed compatible
- Weight - 248g

$79.99
- 10 speed wide range cassette
- Steel spiders
- Fits Shimano/SRAM freehub
- 494g (11-42); 458g (11-40)

$71.99
The Sunrace MX3 10 speed cassette is a cost effective upgrade or replacement cassette.
- Alloy spiders, lockring and spacers
- Cassette Body Type: Shimano/SRAM 8, 9, 10 Speed
- Drivetrain Speeds: 10

$91.99
The SunRace MZ 12-Speed Cassette offers a wide ratio design.
- 12- Speed Wide Ratio
- A7075 39-45T-51T Sprocket
- Alloy Spiders
- Alloy Lockring & Spacers
- For HG Freehub Body
- 497g

$29.90
- Fluid Drive Plus shift profiling, compatible with SRAM and Shimano 9sp drivetrains
- Steel rings, engineering polymer spacers, nickel plated finish
- 11-28
- 280g

$5.00
- 3-spline steel cogs for use with Sturmey 3-speed (and 5-speed) internal gear rear hubs
- Flat or dished for tuning chainline. Xylan coating for greater durability

$50.99 - $56.99
- Shimano 105 R7000 Series CS-R7000 11-speed cassette
- Average weight: 284 g (11-28T), 304 g (11-30T), 320 g (11-32T), 269 g (12-25T)
Combinations:
- 11 – 28T: 11-12-13-14-15-17-19-21-23-25-28T
- 11 – 30T: 11-12-13-14-15-17-19-21-24-27-30T
- 11 – 32T: 11-12-13-14-16-18-20-22-25-28-32T
- 12 – 25T: 12-13-14-15-16-17-18-19-21-23-25T

$11.99 - $14.99
- Special single gear design with chain tensioner
- Revised tooth profile to prevent chain skip
- MODEL NO: CS-S500
- SERIES: SHIMANO ALFINE S7000/S700 Series
- Gear thickness (mm): 2.0
- Recommended chain: Super Narrow HG for 9-speed

$31.99 - $33.99
- MODEL NO: CS-HG400-9
- SERIES: SHIMANO ALIVIO M4000 Series
- Compatible chain: HG 9-speed
- Speeds: 9-speed
- Type: HG

$19.99 - $22.99
- For IG/HG chains
- Zinc phosphate finish
- Enlarged sprocket window design for ligtherweight

$17.99
- For IG/HG chains
- Zinc phosphate finish
- Enlarged sprocket window design for ligtherweight
- Refer to Documents and links to find the right product

$51.99 - $59.99
- 10-speed cassette sprocket
- Offers a wide range of gearing options.
- Lightweight sprocket carrier, it delivers smooth gear steps and precise shifting.
- Ride anywhere with smooth and precise HG shifting

$78.99 - $99.99
- 11-speed cassette sprocket
- Tuned gear steps for maximum cadence control across the varied terrain of mountain biking.
- Ride anywhere with smooth and precise HG shifting
- Perfect for front single and double MTB drivetrains