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If there is any Quality problem,pls contact me before leaving feedback,I will solve the problem for U

Worldwide Free shipping,
Take 2~3 weeks to U.S, 3~4 weeks to UK & East Asia
Take 6~8 weeks to Portugal,Argentina,Canada,Peru,Isarel& South Africa
Take 4~5 weeks to The Rest of the world


Warranty and Return policy:
1 year warranty for the axles and levers
If items are in original condition, 1 month return is accepted, A Restocking Fee of 10% will be applied.

Item Description:

  • Cage is made of 6061-T6 Aluminum Alloy, Pulley is made of 7075-T6 Aluminum Alloy, 

  • Coil spring inside
  • weight: 56g
  • Easy to fit between the hub and rear dropout

  • Perfect conversion tool for those who want to single speed a bike that has vertical drop-outs.

  • Takes up chain slack when running Singlespeed on vertical dropout frames.

  • Converts any multi speed bike to a single speed

  • Usage: MTB, Folding bike,road racing, single speed bikes, freestyle bikes.