Sold setup as freecoaster. Available with one big slack option only. Can be converted from freecoaster to cassette using included second set of pawls and springs making it one of the most versatile hubs around. One of the few and probably world lightest mtb freecoaster hubs - weights only 494g with indestructible hardened cromoly 15mm female axle. Same size of flanges, allows to use same length of spokes and makes the wheel strong and evenly tightened. Silent, very fast, drag free hub.