Campagnolo Super Record S 12 Speed Wireless Cassette Size:11-32 They are made of a

They are made of a flexible material that is waterproof

Front and rear drainage vents for breathability and water clearance across all-weather conditions

Printing area: 80% polyester

Guide works with the stick-on guide available separately as Cannondale part number K53089

Campagnolo Super Record S 12 Speed Wireless Cassette Size:11-32 They are made of aThe new Super Record Wireless Cassettes were conceived, studied and designed to guarantee cyclists with the smoothest shifting across the entire range of combinations. For this reason, closer jumps are key to the pedaling experience of all cyclists, who are always guaranteed perfect cadence in any situation. Smooth shifting is guaranteed by single tooth jumps up to the seventh gear, and especially in the second half of the cassette where jumps are a