Suncord derailleur chain tensioner idler set for Brompton


Brompton derailleur chain tensioner idler (jockey wheel) bearings / fixings set(pair)

  • The jockey wheels on the chain tensioner are made of a durable carbon composite material.

  • Over time these will wear and could help cause the chain to slip when under load.

  • Improving the noise for orginal jockey wheels.

  • Compatible for original brompton 2 or 6 speed.

  • Upgrade the 3-speed cassette modify it for use.

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