Campagnolo veloce 9 speed road cassettethe profile of the teeth is designed with ultra drive geometry which facilitates the passage of the chain on the sprockets and makes shifting precise fast and silent campagnolo veloce 9 speed cassette featuresavailable from this year the 11 25 combination is ideal if combined with ct type cranksets ultradrivesingle sprocketsnickel chromed finishweight 250gbuycampagnolo components from chain reaction cycles the worlds largest online bike store