<ul><li>Internal gear 3-speed hub with HG-splined 8-10sp freehub body for use with any IS 6-bolt disc brake <li>6061 aluminum hub shell with 13/32" slotted solid axle (179mm overall axle length) <li>Gear ratio range of 177% (33% each step) <li>Cassette and shifters sold separately. Special shifter setup required: internal 3sp is shifted via a standard mountain 3sp front derailleur shifter. Sturmey Archer shifters not compatible with this hub <li>speed: 3-speed (S 8-10sp)<li>axle: 13/32"x135mm nutted<li>hole: 32h<li>color: black<li>weight: 1155g</ul>