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Primary Drive RK MXU Sealed Enduro 420 Replacement Chain | Surron Ultra Bee Ramped Racing CNC billet 60 series aluminum

SKU 78212081132
4.3
Description

CNC billet 60 series aluminum

50% lighter and much stronger than the stock

38lbs-60lbs Progressive spring: 176lb-265lb rider weight (realistically 150-225lb)

They have proven to be the toughest aluminum sprockets we have ever tested

Axle end-bolts can be found here

Primary Drive RK MXU Sealed Enduro 420 Replacement Chain | Surron Ultra Bee Ramped Racing CNC billet 60 series aluminumReplacement RK MXU Chain For All DirtyBike Ultra Bee 420 Primary Chain Drive Systems Super high quality sealed MXU chain is the best for enduro riding for a long lasting drive system. Direct replacement for all DirtyBike Ultra Bee 420 primary belt to chain conversion kits.

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

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