New Option parts for ARC R10/R11/R11W series car. The 20T pulley revises the final drive ratio from 2.0 to 1.9, for a smoother acceleration. The new pulley is made from 7075-T6 aluminum with hard anodized surface, it can be used with the current belts with a slight loosening adjustment on the eccentric hub.


For more information, please visit www.quantumracing-rc.com or contact us at enquiries@quantumracing-rc.com