Origin8 Classic Rear Silver 101mm Color-Fire Red XC model has a longer

XC model has a longer arm for use as a Singlespeed chain tensioner

Aero-optimized aluminum rim with 350 series hubs and Aero Comp straight pull spokes

IFP tubes pass through the inside of the IFP

Ultra compact seat bag is hidden under the saddle with hook and loop fastening strap

Features include the new ZSG Agile compound and Tough Flex Super Belt which allow a 12% decrease in rolling resistance and 40g in weight over previous models

Origin8 Classic Rear Silver 101mm Color-Fire Red XC model has a longerForged AL6061 construction. Dual spring tension adjustment. 101mm arm length. 195g each. SHIMANO Equivalent BR M422 TECH SPECS Vendor Origin8 Manufacture Number Model Name Classic Category Brakes