Cassettes/Freewheels

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

- 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

- 12-speed cassette sprocket - HYPERGLIDE+ provides fast and smooth shifting - BEAM SPIDER construction cuts weights and boosts stiffness - New MICRO SPLINE freehub body and HYPERGLIDE+ tooth profile - 10-51T wide range 12-speed gear combination

Shimano's Claris cassette is an incredible value for your 8-speed drivetrain. This cassette comes in a range of sizes to suit your riding style and terrain.

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 Dura-Ace R9100 Cassette Spacers

- English threads, 1.37'' x 24tpi - 1/2 x 1/8'' freewheel

- English threads, 1.37 x 24tpi - 1/2 x 3/32'' freewheel

- English threads, 1.37 x 24tpi - 1/2 x 3/32'' freewheel

- English threads, 1.37 x 24tpi - 1/2 x 3/32'' freewheel

You've got to have the right ratio for the track, and Shimano's Dura-Ace cogs come in a range of tooth counts so you can always be prepared. Manufactured from durable chromoly steel, each cog is machined to run perfectly straight.