Frame (20.75" top tube) made of 6061-T6 heat-treated aluminum with integrated head tube, internal cable routing, smooth welds and Haro 3D dropouts with integrated chain tensioner Full Cr-Mo 1 1/8" threadless steerer with tapered stanchions 2 pcs. Forged alloy with 24mm hollow spindle 20" alloy 36 hole, double wall rims 36-hole aluminum hubs with sealed bearing and rear brake disc Kenda "Conversion" 20 x 1.95" front / 20 x 1.75" rear