This hub features a CNCd 6061 aluminium hub shell with a heat treated 4130 crmo female axle

Box One Alloy Single Speed Cogs are CNC-machined from long-wearing 7075-T6 aluminum alloy and are designed to fit Shimano compatible cassette hubs and have a 5mm wide inner base

and rest on the seats thick foam padding

street and even dirt too

35" wide tyres add the finishing touches to the Tiro XL

Onyx BMX Pro HG / Stay Strong Reactiv 1-1/8 Custom Race Wheelset 5-7-days_54522463224134 This hub features a CNCdCustom built by us here at the Source. These wheels are built around Onyx patented sprag clutch mechanism which gives you instant engagement when pedaling and instant disengagement coasting for less drag. The wheels have been topped of with Stay Strong 1 1 8" Reactiv rims. ###section### Product Specs WHEEL SIZE: 20" HUB: Onyx BMX Pro HG 10mm Race Hubset AXLE: Rear 100 10mm Front 110 10mm RIM: Stay Strong 1 1 8" Reactiv Rims SPOKES: Rear Double Butted