Cassettes/Freewheels

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.

Shimano's 105 10-Speed Cassette delivers excellent shifting and durability. The cogs are made of long-lasing, smooth-running steel. They have Shimano's engineered tooth shapes for precision shifting. And for lightness, the cassette has an aluminum carrier for the top cogs and nylon spacers.

Shimano XT CS-M770 9-Speed Cassette - Aluminum carrier reduces weight and increases rigidity - Cassette Body Type: Shimano/SRAM 8, 9, 10 Speed - Weight: 323 grams

Shimano HG-800 11-speed cassette. - High-performance gear combinations provide superior rider choice - With hub body for MTB to fit a variety of bikes from MTB to road - Average Weight: 335 grams

Shimano's Ultegra 10-Speed Cassette delivers pro-level shifting and durability. The computer-enhanced tooth shapes and tough cogs mean you can shift quickly, precisely and smoothly even under pressure.

Shimano XTR CS-M9100 cassette features better chain retention and ground clearance. This cassette is built with a strategic application of aluminum, titanium, and steel materials for an optimal blend of weight savings, rigidity, and durability. - Compatible with Shimano Hyperglide+ chains - Hyperglide+ technology offers better chain engagement, stronger retention, and smoother pedaling for greater power and confidence over rapidly changing terrain - Micro Spline technology delivers lightweight aluminum freehub body to reduce weight and utilize a 10 tooth top gear - The Wide Range XTR M9100 cassette option offers 510% gear range - Can only be used for 1x12 set ups with the long cage rear derailleur - The CS-M9100 cassette meets durability requirements for E-MTB applications

SRAM's 1070 10-Speed Cassette is a great choice. It's constructed of light and durable materials and boasts SRAM's PowerGlide tooth profiles and shift ramps for quick and positive gear changes every time. This trick cassette also sports a semi-spider construction for a maximum stiffness-to-weight ratio, a lightweight aluminum lockring, and is available in myriad configurations to suit all your riding. There are even models with 36-tooth largest cogs for super-easy climbing.

SRAM's 1170 11-Speed Cassette is constructed of light, durable materials and boasts SRAM's PowerGlide tooth profiles and shift ramps for quick, positive gear changes. This excellent cassette also sports a semi-spider construction for a maximum stiffness-to-weight ratio, a lightweight aluminum lockring, and is available in three ranges to suit all your riding.

When it's time to replace your 9-speed cassette, check out SRAM's PG-950 cassette. It delivers solid shifting and durability ride in and ride out for your 9-speed rig.

The workhorse of X-Range gearing, the SRAM RED XG-1290 cassette progresses fluidly and quickly through a wider range of gears. It's specifically designed for wireless electronic shifting and the one-piece design offers you the best in weight savings. - Updated design for smoother and faster shifting - More gradual gear progression between cogs—at least five one-tooth jumps—while still offering a wider range - 10-tooth start helps provide a wider gearing range - Designed to work with an XDR driver body - One-piece machined steel X-Dome design for weight savings - All Zipp wheels starting from 2012 are XDR ready - Version: D1 - 10-26T: 10, 11, 12, 13, 14, 15, 16, 17, 19, 21, 23, 26 - 10-28T: 10, 11, 12, 13, 14, 15, 16, 17, 19, 21, 24, 28 - 10-33T: 10, 11, 12, 13, 14, 15, 17, 19, 21, 24, 28, 33

Dimension Steel Cogs are splined for BMX and singlespeed hub compatibility. - Steel with chrome finish - Cogs are splined for Shimano BMX and singlespeed hub compatibility - Compatible with 1/2-inch and 1/8-inch chains

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. - 511% range is great for modern 1x drivetrains - 10 steel cogs, plus 1 aluminum cog increase durability - Saves weight by using smaller chainrings and shorter chains, which also provides better ground clearance - Designed for use with eBike drivetrains - Compatible with Shimano and SRAM drivetrains - Cassette Body Type: SRAM XD 11/12 Speed - Cassette Cogs: 9-10-12-14-17-20-24-28-33-39-46 - Drivetrain Speeds: 11 - Color: Black - Weight: 390 g

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

The e*thirteen XCX+ is a lightweight and durable cassette that offers excellent range, and is compatible with both SRAM and Shimano drivetrains. - 10 steel cogs and 1 aluminum cog provide durability - Ultra-stiff cluster keeps power at the wheels - 378% range - Compatible with Shimano and SRAM drivetrains - Cassette Body Type: SRAM XD 11/12 Speed - Cassette Cogs: 9-11-13-15-17-19-21-24-27-30-34 - Drivetrain Speeds: 11 - Designed for ebike: Yes - Color: Black - Weight: 271 g

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

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

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

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.

- 6-speed freewheel - 14 – 28T

- Steel - 7-speed

- 7-speed SIS compatible Freewheel

8-speed SIS compatible freewheel

• Steel • 8-speed

• Easy-on, easy-off • Available in two chain widths and two colors • Available in six teeth sizes

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

- Lightweight Design - Steel rings with engineering polymer spacers - Nickel finish - 8 Speed compatible - Weight—346g

The SunRace MX 11-Speed Cassette is a wide-ratio cassette designed for XD driver bodies. - Largest sprocket crafted from A7075 aluminum - Black chrome finish - 460% range - Cassette Body Type: SRAM XD 11/12 Speed - Drivetrain Speeds: 11 - Weight: 502 g

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

The SunRace MZ 12-Speed Cassette offers a wide ratio design. - Compatible with SRAM 12-speed rear derailleurs (Shimano rear derailleurs are not compatible) - Designed for use with HG freehub bodies, but not compatible with XD or Microspline freehub bodies - Spider, lockring, and spacer constructed from alloy - 7 Sprockets mounted on 2 spider carriers - Black chrome finish

The SunRace MZ 12-Speed Cassette offers a wide ratio design. - Shimano compatible 12-speed cassette - Black chrome finish - 464% range - Cassette Body Type: Shimano/SRAM 8, 9, 10 Speed - Drivetrain Speeds: 12 - Weight: 497 g