Computer designed Hyperglide (HG) sprockets incorporate specifically positioned shift ramps and tooth profiles for improved chain control during shifting.
Fast and responsive indexed shifting is the result.
Cassette Cogs: 12,13,14,15,17,19,21,23
Drivetrain Spacing: Shimano/SRAM 8 Cassette
Body Type: Shimano 8 Chain
Compatibility: 6, 7, 8
Intended Use: Road
Weight: 283.0 g