eXotic Rigid lightweight Alu Fork 1 Inch Steerer PM Disc Specific 39cm 26in MTB 39.0cm 26" Wheel 1 inch (threadless ahead steerer) Stunning lightweight Al mountain bike fork with CrMo 1 Inch steerer, 7050 Al stanchions and forged 6061 Al dropouts This fork is PM disc brake specific Rigorously tested to DIN standards