Sta Tru STW 26 X 1.5 BO Silver Rear Mountain Bike Wheel - RWS2615AA Made using the highest quality materials Tested for durability Used by exper riders worldwide Axle: 3/8 26t STW ST1 single wall 36h rim Freewheel 6-7 loose bearing hub Bolt-on axle Silver hub / silver spokes / silver rim UCP spokes