Heavy Hitter 420 Primary Chain Drive Conversion Kit eDirtyBike Photos used are examples of

Photos used are examples of kits

Reliable TR4 Valve Stem: Center-mounted

front axle

Designed for competitive racing and off-road use with optimal clearance and accurate progression geometry

repositioning the bars directly over the stem for better steering feel

Heavy Hitter 420 Primary Chain Drive Conversion Kit eDirtyBike Photos used are examples ofThe 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