Cassettes & Freewheels

SRAM Force XG-1270 is a 12-speed cassette engineered for electronic drivetrains, delivering smooth X-Range shifts and durable performance on SRAM XDR driver bodies. Built for riders who want predictable gear steps, lightweight strength, and reliable electronic shifting, the Force XG-1270 combines steel sprockets with...

The SRAM GX Eagle XG-1275 is a 12-speed, 10–50t cassette built for wide-range gearing, durable shifting, and compatibility with XD driver bodies. Designed to give mountain bikers a broad gear spread without sacrificing reliability, the GX Eagle XG-1275 blends lightweight stamped steel cogs with...

SRAM's GX Eagle XG-1275 is a 12-speed, 10–52t cassette built for wide-range performance and reliable shifting on XD-driver hubs. This GX-level cassette gives riders a broad gear spread for fast flats and controlled climbs without the premium price of top-tier models. It pairs stamped...

The SRAM NX Eagle PG-1230 is a 12-speed, 11-50t cassette engineered to deliver a wide gear range, e‑MTB durability, and smooth shifting in a lightweight package. Designed for riders who want an expansive ratio for steep climbs and fast descents without adding unnecessary weight,...

The SHIMANO 105 CS-R7101 12-speed cassette (11-34T) is a lightweight, high-efficiency sprocket set engineered to deliver precise shifting and versatile gearing for road riders using 12-speed drivetrains. This cassette is built around the 105 Di2 performance philosophy: a refined tooth progression, careful material choices,...

The SHIMANO Ultegra R8000 cassette is an 11-speed road-bike sprocket cluster engineered for fast, precise gear shifts and durable performance across 11-25T and 11-28T ranges. Designed for road riders who want race-level shifting without excessive weight or expense, the Ultegra R8000 cassette pairs nickel-plated...

SHIMANO's 105 CS-HG710-12 is a 12-speed, 11-36-tooth cassette engineered to deliver durable, smooth shifting across road, gravel and mixed-terrain rides. This cassette brings a wide gear spread and precise engineering to riders who want reliable performance without unnecessary weight. Built with steel sprockets and...

The SRAM PG-1130 11-42 11-speed cassette is a lightweight, wide-range mountain bike cassette engineered for smooth, reliable shifting across steep climbs and fast descents. If you ride off-road and need a compact, high-capacity gearset without swapping your hub, the PG-1130 packs an 11–42 tooth...

SHIMANO Ultegra CS-R8101 is a 12-speed road cassette (11–30T) engineered to deliver closer gear steps, durable steel construction, and reliable shifting for performance road bikes. Built to bring 12-speed refinement to Ultegra drivetrains, the CS-R8101 cassette pairs compact, race-oriented gear spacing with a robust,...

SHIMANO Ultegra R8000 Cassette is a lightweight, precision-machined 11-speed road cassette engineered for smooth shifting and durable performance across the 11-32 gear range. The Ultegra CS-R8000 is Shimano's high-performance 11-speed cassette designed to balance weight, durability and consistent gear transitions. Built with nickel-plated steel...

The Shimano Deore 12 CS-M6100 is a lightweight, wide-range 12-speed cassette (10-51T) built with an aluminum carrier and steel cogs for reliable shifting and reduced weight on MicroSpline hubs. The Deore CS-M6100 brings Shimano's 12-speed performance to a value-priced package. It combines a mixed-material...

The SHIMANO Ultegra R8000 11-speed 11-28T cassette is a precision road cycling sprocket set engineered to deliver crisp shifting, balanced weight, and durable nickel-plated steel cogs for fast group rides and training. The Ultegra CS-R8000 cassette pairs an aluminum carrier with nickel-plated steel cogs...

Shimano 105 CS-HG700 is an 11-speed road cassette (11–34T) engineered for precise, fast shifting and lightweight durability on modern drivetrains. This cassette uses Shimano's Hyperglide EV tooth profiles and a lightweight alloy carrier to deliver smooth, reliable gear changes across an 11-speed range. Built...

The Shimano Ultegra CS-6700 is a lightweight, 10-speed 11-28t road cassette engineered to deliver reliable shifting and reduced mass for racers and performance-focused riders. This CS-6700 cassette sits one step below Shimano's Dura-Ace line, offering many performance attributes at a lower price point. It...

Shimano Ultegra CS-6700 is a 10-speed, 11-25t road cassette that blends reduced weight and precise shifting for competitive riders seeking Dura-Ace performance at a lower cost. Built for road cyclists who want reliable, crisp gear changes without paying the Dura-Ace premium, the CS-6700 Ultegra...

The Shimano 105 CS-R7000 is an 11-speed road cassette that delivers near–race-level shifting performance with durable nickel-plated steel cogs and an aluminum carrier at a value-oriented price. Built to bring advanced shifting technologies from Shimano's higher-tier groups down to a more affordable platform, the...

The SHIMANO CS-M4100 is a 10-speed Deore cassette sprocket with an 11-42T wide-range gear cluster engineered for reliable shifting and versatile trail or gravel use. This cassette is built for SHIMANO Deore M4100 drivetrains and offers a broad ratio spread—11-13-15-18-21-24-28-32-37-42T—to help riders tackle steep...

The SHIMANO CS-HG500-10 is a 10-speed, 11–34T cassette built for durable, smooth shifting on e-MTB and mountain bike drivetrains. The CS-HG500-10 cassette packs a wide gear range and refined tooth profile into a lightweight, corrosion-resistant assembly aimed at riders who need dependable shifting under...

BUCKLOS multi-speed bike cassette delivers reliable, low-noise shifting across 8–12-speed drivetrains and fits Shimano/SRAM HG freehub bodies. This cassette is engineered for riders who need a durable, well-spaced gear cluster for road and off-road use. Constructed from high-strength steel with a nickel-plated finish, the...

BUCKLOS HG-compatible 8/9/10/11/12-speed cassette is a nickel-plated, high-strength steel sprocket pack engineered to replace Shimano and SRAM HG freehub cassettes for smooth, reliable shifting across road and off-road riding. This replacement cassette from BUCKLOS fits HG-style freehub bodies and is offered in 8–12 speed...

The Shimano HG400 9-speed 11-32 cassette is a reliable, Hyperglide-compatible sprocket cluster designed to deliver smooth, consistent gear changes for 9-speed drivetrains. This HG400 cassette (Shimano article I-CSHG4009132) offers a practical 11-32 tooth spread that balances climbing range with close-ratio steps for varied terrain....

The SHIMANO Tourney MF-TZ500 is a 7-speed multiple freewheel (14-28 tooth) designed to deliver reliable shifting and long-lasting performance for casual and commuter bicycles. This compact freewheel replaces worn gear clusters to restore smooth pedaling across seven speeds. Built to SHIMANO touring-series standards, the...

The Shimano Alivio CS-HG51 is an 8-speed, 11–32T cassette engineered for long-lasting, smooth shifting and reduced weight through chrome-plated, drilled sprockets and Hyperglide tooth profiles. Whether you're replacing a worn cassette or upgrading for more reliable gear changes, the CS-HG51 balances durability, efficiency, and...

The SHIMANO CS-HG51 is an 8-speed, 11-30T cassette designed to deliver smooth, reliable shifting and durable performance for trail, commuter, and hybrid bikes. This cassette combines chrome-plated steel construction with SHIMANO's Hyperglide profile and drilled cogs to reduce weight while maintaining strength. Its wide...

The Shimano Alivio CS-HG51 8-speed cassette (11-28T) is a chrome-plated steel drivetrain cogset built for smooth Hyperglide shifting, reduced weight, and long-lasting corrosion resistance. This cassette is designed to upgrade a wide range of bikes — from commuters to trail riders — by delivering...

SHIMANO CS-HG41 is a 7-speed Hyperglide cassette (11-28T) engineered for smoother, faster gear changes and corrosion-resistant service life. Designed for use on 7-speed drivetrains, the CS-HG41 cassette combines Shimano's Hyperglide tooth profiling with a nickel-plated surface to deliver consistent, fluid shifts and easier maintenance....

RainFlowwer MF-TZ500-7 14-34T is a 7-speed steel freewheel that replaces worn sprockets, delivering reliable gear range and long-lasting performance for multi-speed bicycles. If your bike needs a straightforward, sturdy replacement freewheel, the RainFlowwer MF-TZ500-7 offers a 14–34T cassette-style gear spread in a compact, threaded...

The SHIMANO CS-HG31 is an 8-speed cassette sprocket (11-13-15-18-21-24) built with Hyperglide tooth profiles and a zinc-phosphate black finish for dependable shifting and extended surface protection. This cassette is designed for riders who need reliable, smooth gear changes on a wide range of terrains....

The Hycline Bike Freewheel 7 Speed 14-28T is a threaded, high‑tensile steel cassette-style freewheel built to deliver smooth, reliable 7-speed shifting for a wide range of bikes. This freewheel fits standard threaded rear hubs and provides a familiar 14-16-18-20-22-24-28T gear progression in a compact,...

Relwears CS-HG200 8-speed cassette is a nickel-plated 12-32T sprocket pack engineered for smoother, faster shifting across road, mountain, and folding bikes. The CS-HG200 8S cassette combines high-tensile steel construction with an anti-chain-drop tooth profile and chain guide grooves to improve gear engagement and shifting...

Shimano Alivio CS-HG200 is a 7-speed 12–32t cassette built for reliable, smooth shifting and long-lasting drivetrain performance. This CS-HG200 cassette from Shimano brings Hyperglide tooth profiles and zinc phosphate-coated steel construction to everyday bikes, offering consistent gear changes and corrosion resistance. Designed for 7-speed...

Hycline Bike Freewheel 6 Speed 14-28T is a threaded rear-hub freewheel that delivers a reliable 6-speed gear range (14-28T) with durable high-tensile steel cogs and smooth, precision threading. This freewheel is built for riders who need a straightforward, strong replacement for threaded hubs. It...

Relwears CS-HG200-7S is a 7-speed 12-32T bike cassette engineered for reliable, smooth shifting across road, mountain and folding bikes. This cassette combines a 12-32T gear range with a Hollow, nickel-plated high-tensile steel construction and anti-chain-drop tooth geometry to deliver dependable performance in varied riding...

The Shimano CS-HG31 is an 8-speed cassette with zinc-phosphate steel cogs and HyperGlide shaping designed for reliable, smooth gear changes across an 11–23 tooth range. Whether you're upgrading a commuter, retrofitting a touring rig, or refreshing a mountain bike's drivetrain, the CS-HG31 delivers pragmatic...

Relwears CS-HG200-7S is a 7-speed 12-28T bicycle cassette built for reliable shifting and durable performance across road, mountain, and urban bikes. This compact cassette brings a wide 12-28T gear range in a lightweight hollow-steel design with nickel plating and chain-friendly tooth profiles. Engineered to...

RainFlowwer MF-TZ500-6 6-speed freewheel is a durable 14–28T replacement sprocket designed to restore smooth, reliable shifting on bikes that use a 6-speed freewheel hub. This replacement freewheel fits bikes that accept threaded 6-speed freewheels and gives a broad 14–28-tooth gear range for climbing and...

Relwears MF-TZ500-7 is a screw-on 7-speed freewheel (14–28T) designed to deliver reliable shifting, corrosion resistance, and broad compatibility with threaded bicycle hubs. This compact freewheel replaces worn or stock sprockets on threaded rear hubs and is built to withstand everyday riding conditions. Machined from...