• eDirtyBike Primary Drive RK MXZ Race 420 replacement chain for Surron Ultra Bee electric bike, showing the chain kit in detail.
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eDirtyBike

Primary Drive RK MXZ Race 420 Replacement Chain | Surron Ultra Bee

Primary Drive RK MXZ Race 420 Replacement Chain | Surron Ultra Bee

UB-PC-420-RK-MXZ-48-G

$34.00 USD
$34.00 USD
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Replacement RK MXU chain for all DirtyBike Ultra Bee 420 Primary Chain Drive systems

Super high quality non-sealed RK MXZ chain is the best for racing. It has the lowest drag for the most power output. Direct replacement for all DirtyBike Ultra Bee 420 primary belt to chain conversion kits.

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