Shimano Deore Disc Hub Front M525A

. Borozon Treated Races Diamond polished bearing races provide ultra smooth bearing action Features Disc Brake Compatible yesOver Locknut 100mmAxle Length 108mmAxle Diameter & Material 9mm steelQR Lever aluminumCone Races BorozonCup Races barrel polishedContact Sealing doubleSpoke Holes 3632 holesSpoke Hole Circle 61mmHub Shell aluminumannodizedCenter to Flange Right 21 1Center to Flange Left 31 7A 2 year warranty is offered with all Shimano products from Chain Reaction Cycles 3 years on Dura Ace and XTR products BuyShimano Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.