shimano deore m525a 32h 11-speed 6-bolt disc rear hub, black (not compatible with 11-speed road cassettes) shimano shimano deore fh-m618/m615/m525a/t610 rear hubsdouble contact sealingsuper polished bearing races for low friction rollingitem specifications 10 speed 10 speedcenter to flange, 9, left61weight512 ghub drilling32bearing typeloose ballhub/brake compatibility6-bolt disccassette body type20.5center to flange, right61flange diameter,spoke interfacej-bendskewer includedyesdefined colorblackrear axleqr x 135mmcolorblackflange diameterflange diameter