CDHPOWER MAG WHEEL SET, front&rear width 100mm*135mm; Designed mainly for motorized bicycles;do not need adapter, sprocket only needed; put grease/lubricating oil on thread of wheel to prevent damage of thread from Riding inner diameter of rim:17.5mm/0.689inch
Aluminum Wheels Thread size: 1.375 inch X24T; Please note excluding bolts, size of Bolts to mag wheel:M5x23mm, if your sprocket is thicker than standard sprocket, we suggest bolts M5x25mm. the hole spacing for front and rear disc brakes of mag wheel to be added is 44mm;
Size for Wheel Axle: LxT(front axle): 160mm x 10mm; LxT(rear axle): 180mm x 10mm; light and very durable. 26"/26 inch Size Wheel; NOTE: It's inevitable that there will be SCRATCHES or PAINT PEELING during transportation, buy carefully if you are concerned.
Axles included; easy intall sprocket on mag wheel,For non-motorized bicycles, the max loading is 385 lb/175kg. For motorized bicycles, the max safty loading is 330 lb/150kg.
PLEASE NOTE 1: the best safe speed if racing: 35km/h Attention: 26" refers to the size after adding inner and outer tubes. It does not refer to the size of the wheel only.