Cassettes/Freewheels

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

- 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 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

- For HG 8-speed chains

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

Shimano Dura-Ace R9100 Cassette Spacers

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

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