Hub：Ball Bearing hub,Cassette free body Suitable for 7/8/9/10 speed Shimano,7 speed need Gasket.
Rim：20" rim,height 20mm,outer width 20mm,inner width 18mm,for 20*1.35-2.125" tires.round spokes 32H,Schrader valve.
BMX Wheelset：c/v brake disc brake Quick Release wheels.Front Open File 100mm, Rear Open File 135mm.
Best Gifts：This is a decent nice wheel set. Let your bike give a refreshing feeling, so cool!
Package Included：1 x Bicycle Wheelset; quick release levers x2,tire pad x2.
Colour: Black
Size: 406
Weight :0