Sta Tru Silver Alloy ATB 6-7 Speed Freewheel Hub Quick Release Rear Wheel (26X1.5-Inch) Made using the highest quality materials Tested for durability Used by exper riders worldwide STW ST1 single wall 36h rim Freewheel 6-7 loose bearing hub Bolt-on axle Silver hub / silver spokes / silver rim UCP spokes