Heavy Hitter 420 Primary Chain Drive Conversion Kit eDirtyBike Reliable TR4 Valve Stem: Center-mounted
Description
Reliable TR4 Valve Stem: Center-mounted
repositioning the bars directly over the stem for better steering feel
Larger rear sprocket for improved acceleration and torque
Offered In Two Options
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
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
























