Shimano's Tourney TX 8-speed cassette with Hyperglide technology has a computer designed tooth configuration with contoured shift gates resulting in a crisp smooth shift even under load. Corrosion-resistant steel cassette lockring. For 8 speed IG/HG chains.. 8 Speed: 12-14-16-18-21-24-28-32T
. Shimano Series: TOURNEY TX800
. Quick and easy assembly with cassette sprocket cap
. Hyperglide sprockets guide chain for quick, direct and quiet changes
. Close gear steps between primary sprockets creates smooth, comfortable pedalling
. Compatible chain: HG 8-speed
. Rust-resistant surface treatment
. Weight: 314 grams
. Colour: Black