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4-Jeri Singespeed Chain Tensioner

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RRP.:

Rp540,000.00
Rp490,000.00
You save 9 %

Great value coil sprung single speed tensioner from 4-Jeri products. Convert any vertical dropout frame with derailleur hanger to a Single Speed. Spring loaded arm keeps tension on chain, pulley axle adjusts to optimize chainline. Chain retention hoop prevents chain derailment.

  • CNC machined main supporting arm offers excellent strength against knocks but keeps the weight low
  • Coiled spring offers high tensioner and is more durable than normal springs
  • Infinitely adjustable and secure chain alignment is catered for by the steel wheel-support arm and locking bolt
  • Generously sized (removable) aluminium cages surrounding the jockey wheel ensure the chain stays where it should no matter how rough the terrain
  • Plastic jockey wheel runs on smooth bushings and is nice and quiet
  • Available in black anodised finish
  • 110g in total

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