The Campagnolo Ekar GT 13-speed cassette offers an optimal riding experience and helps achieve peak performance on challenging routes and terrains. Small jumps in the lower gears ensure an ideal cadence, while larger jumps in the higher gears adapt to all types of trails. With the appropriate rings and adapters, the N3W cassette is compatible with all current and future Campagnolo 12-speed, 11-speed, and 10-speed groups.