MEROCA MTB Mountain Bike 20 Inch 406 22 Inch 451 R40 Hub Disc Brake 40mm 24H Rims 100/135 Wheelset Bike Wheels road bike wheels rear 130*10mm

rear 130*10mm

Spokes: 45# steel electric black straight-pull spokes

electroplating color

30mm is about 7

MEROCA MTB Mountain Bike 20 Inch 406 22 Inch 451 R40 Hub Disc Brake 40mm 24H Rims 100/135 Wheelset Bike Wheels road bike wheels rear 130*10mmBrand: PASAK Model: HB09 R40 406 451 Specifications: 20 inches 406; 22 inches (451), 24 holes, front opening 100MM, rear opening 135MM Hubs: front two rear four bearings, straight pull, 7075 aviation aluminum, imported super lubricated bearings, default quick release version HG tower base (upgradable barrel shaft version, MS XD tower base) Tower base: 7075 cold forging, 7 8 9 10 11 12 speed flywheels all support installation, six claw high density