Heavy Hitter 420 Primary Chain Drive Conversion Kit eDirtyBike Reliable TR4 Valve Stem: Center-mounted

Reliable TR4 Valve Stem: Center-mounted

Simple installation

front axle

Colors availably are silver

Larger rear sprocket for improved acceleration and torque

Heavy Hitter 420 Primary Chain Drive Conversion Kit eDirtyBike Reliable TR4 Valve Stem: Center-mountedThe Heavy Hitter 420 Primary Chain Drive Conversion Kit is the lightest 420 primary kit on the market for the Sur Ron LBX, Segway X160 X260, E Ride Pro, Ventus ONE+, and 79Bike Falcon platforms. Built for riders who have pushed stock belts past their limits with upgraded motors and controllers. Pairs a 7075 T6 billet aluminum rear sprocket with a nitrided 52100 tool steel front sprocket and a Japanese non O ring chain for maximum efficiency and long