Featuring WTP's very own, patented 3-point clutch friction system, the Helix hub will take you backwards in style and hold up to any peg abuse that comes its way. - Unique internal arrangement with face-bearing clutch stopper - WTP Patented "Tri-Point" friction system - Hub Drilling: 32 - Cassette Body Type: Single Cog Driver - Axle Size: 14mm - Spoke Interface: J-Bend