NEW Koozer XM490 PRO Hubs 4 Bearing MTB Mountain Bike Hub Rear 10*135mm QR100*15 12*142mm Thru 32 Holes Disc Brake Bicycle Hub NEW Koozer XM490 PRO Hubs 4 Bearing MTB Mountain Bike Hub Rear 10*135mm QR100*15 12*142mm Thru 32 Holes Disc Brake Bicycle Hub. Sale price : $56.35 Category : Sports & Entertainment