Cassettes/Freewheels

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

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 - 2 aluminum cogs and 10 steel cogs offer both light weight and durability - Designed for use with standard and eBike 12-speed drivetrains - 556% range - Cassette Body Type: SRAM XD 11/12 Speed - Cassette Cogs: 9-11-13-15-17-20-23-27-31-36-42-50 - Drivetrain Speeds: 12 - Designed for ebike: Yes - Color: Black - Weight: 395 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. - 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 HELIX R Cassette is an upgrade to any SRAM™ Eagle™ or Shimano™ drivetrain, with more range than other cassettes on the market. The 9 tooth cog lets you step down one chainring size while keeping the same top end gearing and provides not only better ground clearance, but an overall lighter drivetrain. - 1 aluminum cogs, 10 steel cogs - Designed for use with XD™ and XDR™ drivers only

The e*thriteen Helix Race 12-speed 9-52t cassette is engineered to deliver precision shifting performance with an industry leading 578% gear range. The proprietary 9 tooth smallest cog combined with the 52t largest cog enables the use of a smaller chainring for improved clearance, lighter system weight and a lower bail out gear ratio without high gear compromise. - Seamless cross-compatibility with Shimano, SRAM, and TRP 12-speed drivetrains - Patented 2-Part design provides strength, stiffness, light weight, and ease of service - Aluminum and steel clusters can be replaced separately to reduce service cost - 9 tooth high gear allows use of smaller chainrings for clearance and weight savings - Fits XD™ and XDR™ Drivers Only (Hope XD drivers are undersized at the clamp location and require a Cassette Shim Kit -Sold Separately) - Tested extensively for analog and e-bike use

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

The TRP CS-M9050 EVO 12-speed cassette features a wide gear range and provides high wear resistance. - Wide 10-52t gear range provides the right gear for every terrain and elevation - 44 and 52t cogs crafted with 7075-T6 aluminum for high strength and low weight - 10 to 36t gears are constructed with monoblock steel for high wear resistance and longevity

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.

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

- 6-speed freewheel - 14 – 28T

- 7-speed SIS compatible Freewheel

8-speed SIS compatible freewheel

- Steel - 7-speed

• Steel • 8-speed

The SunRace M4 8-Speed Cassette is a lightweight cassette that utlizes Fluid Drive™ technology. - Lightweight design - Features Fluid Drive™ technology - ED black sprocket finish

The SunRace M5 8-Speed Cassette is a lightweight cassette that utlizes Super Fluid Drive™ technology. - Lightweight design - Features Super Fluid Drive™ technology - Zinc sprocket finish

The SunRace M4 7-Speed Cassette is a lightweight cassette that utlizes Super Fluid Drive™ technology. - Lightweight design - Features Super Fluid Drive™ technology - ED black sprocket finish

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

The SunRace R8 8-Speed Cassette is a lightweight cassette that utlizes Super Fluid Drive™ technology. - Lightweight design - Features Super Fluid Drive™ technology - Nickel finish

- Fluid Drive Plus shift profiling, compatible with SRAM and Shimano 8sp drivetrains - Steel rings, engineering polymer spacers, nickel plated finish - 12 – 25T - 281g

- Steel cogs - Composite spacers

- Black polymer spacers - Multiple speed options available - Range: 14-28T - Speed: 7 - Cog Material: Steel

M9 Cassettes offer a wide-range ratio for 9-speed MTB sytems. - Nickel Finish - Steel spider

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

RS1 Cassettes are a great replacement for 10-speed road sytems. - Steel Spider - Cassette Body Type: Shimano/SRAM 8, 9, 10 Speed - Cassette Cogs: 11-12-13-14-15-17-19-21-24-28 - Drivetrain Speeds: 10 - Weight: 267 g

RS3 Cassettes are a great replacement for 11-speed road sytems. - Lightweight wide-range Road cassette compatible with HG 11sp road freehub bodies - Steel cogs (top 3 mounted to spider), steel lockring, and composite spacers - Cassette Body Type: Shimano/SRAM 11 Speed Road - Drivetrain Speeds: 11 - Cogs: 11,12,13,15,17,19,21,23,25,28,32 - Weight: 332 g

SunRace M993 Cassette - 9 Speed 11-50t ED Black Alloy Spider and Lockring

The SunRace M993 9-speed cassette offers a wide ratio for MTB and features a light weight design and ED black finish for added durability. - Light weight design uses a 7075 aluminum large cog - Aluminum spider, lockring and spacers provide strength and weight savings - ED Black finish for durability and enhanced aesthetics - Fits HG drivers

The SunRace MZ 12-Speed Cassette offers a wide ratio design. - Shimano compatible 12-speed cassette - ED Black finish - 464% range