The Gear Ratio is 6.3:1, It helps you pick up specific gear ratio much easier.

Stronger and Lighter with its 4+1BB

High strength plastic support and side cover, super large copper main gear and spiral gear, CNC precision machining v-shaped wheel, bearing ratio 4+1BB one-way bearing reverse, quick removal of side cover, 6 magnet brake system, plastic star wrench, plastic handle, stainless steel rocker arm.