Teeth:45/47/53/56/58T. Weight: 80g(45T),85g(47T),110g(53T),120g(56T),135g(58T). Ultralight and won't add too much weight to your bicycle. For speed:6/7/8/9/10 Speed. Color: Black/Silver/Red/Yellow. Made from good quality alluminum alloy, lightweight, durable and precise.
