
The Story
Replacement sealed X-ring chain for DirtyBike Industries 420 Primary Chain Drive system.
Sealed chain minimizes drag by using X-ring instead of 0-rings to provide a long lasting drive system.
Direct replacement for all DirtyBike 420 primary belt to chain conversion kits.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Replacement sealed X-ring chain for DirtyBike Industries 420 Primary Chain Drive system.
Sealed chain minimizes drag by using X-ring instead of 0-rings to provide a long lasting drive system.
Direct replacement for all DirtyBike 420 primary belt to chain conversion kits.













