Shimano Shimano HG-201-9 Cassettes chainrings & cassettes OAK-CORE-WIN27 Proprietary MICHELIN® rubber compound that

Proprietary MICHELIN® rubber compound that utilizes up to 30% reground rubber to reduce the amount of virgin rubber going into the outsole and reduce our “footprint” on the environment

In this latest version

The body mapped fabrics offer added insurance if you get caught in a rogue storm or you’re slashing around in sloppy slush

and an all new Hybrid HolySheet™ directly interwoven with tip-to-tail Carbon Boosters

Two-Way Zipper

Shimano Shimano HG-201-9 Cassettes chainrings & cassettes OAK-CORE-WIN27 Proprietary MICHELIN® rubber compound thatPhosphate rust resistant surface treatment HYPERGLIDE technology Attributes Cassette Spider Mat. Steel Cassette Technology Hyperglide Cog Material Steel Finish Phosphate coated Speed 9