{"color"=>"black", "weight"=>"100g"}
SPECIFICATIONS
color : black
weight : 100g
sku: JE6521 | CH4JSSTK
ean: 5051699000432

Halo USA

4-Jeri SS Chain Tensioner

  • Sale
  • Regular price $29.95
Shipping calculated at checkout.


  • Convert any vertical dropout frame with derailleur hanger to a Singlespeed
  • Spring loaded arm keeps tension on chain, pulley axle adjusts to optimize chainline
  • Chain retention hoop prevents chain derailment