Campagnolo centaur 11 speed cassettethe campagnolo centaur 11 speed cassette has had its tooth profile completely redesigned to be in line with the rest of the campagnolo 11 speed groupsets the centaur sprocket tooth design reduces the level of stress on the chain which ascends more easily onto the higher diameter sprockets even when shifting across increments of 3 or 4 gears at a time features material aluminium finish nickel chrome use road triathlon cyclocross time trial assembly