OneUp Components Low Direct Mount S3/E-type Chain Guide

Item: 50-5509
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Eliminate dropped chains forever and more than double your chainring life with the new OneUp Low Direct Mount chain guide. Oval and Boost compatible, this chain guide is designed for narrow wide chainrings and is ideal for Enduro racing. The OneUp guide extends chainring life by limiting the chains side-to-side movement, reducing the tooth wear and preventing the chain from derailing. Installing a OneUp guide means you only have to replace the chainring when the driving faces have worn out, which typically doubles your usable chainring life. Extend your ride and save money with the OneUp Low Direct Mount chain guide.


  • Install without removing your crank
  • Single tool install and adjustment (Torx T25)
  • Boost compatible
  • Oval Compatible
  • Stainless Steel hardware
  • Includes 2 top guide pieces 1xBlack 1xGreen
  • Includes 3 size range backplates
  • Capacity: 28-36T
  • Chainline: 5.5mm adjustment
  • Mount: S3/E-type
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