Shimano Alivio CS-HG51 Cassette - 8 Speed 11-28t Silver ModelNumber=J2401 The Airmotion features a steel

The Airmotion features a steel air tube and a metal base with a soft-touch handle

Flip-chip dropout: adjust wheelbase and tire clearance (up to 53 mm in “long”)

From Fischer: Twin Skin Carbon Pro: The latest addition to the Twin Skin race family features a shorter and wider skin profile designed to provide a secure kick while maintaining a quality glide

0 Length 267 Defined Color Black Spoke Interface J-Bend

Shimano Alivio CS-HG51 Cassette - 8 Speed 11-28t Silver ModelNumber=J2401 The Airmotion features a steelShimano CS HG51 8 Speed cassettes feature Hyperglide technology for reliable shifting performance and chrome plated steel gears for added corrosion resistance. Hyperglide technology provides smooth shifting Chrome plated steel gears and lockring Compatible with Shimano HG and IG chains Drilled cogs reduces weight Range 11 28 Cogs 11 13 15 17 19 21 24 28 Cassette Body Type Shimano HG Drivetrain Speeds 8 Color Silver Defined Color Silver keyword search