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Start by making sure you are using the correct guide for your application: TRS dual ring guide picker
  • Start by making sure you are using the correct guide for your application: TRS dual ring guide picker

  • This how-to guide will cover the BB mount version of the guide

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Remove your guide from the package
  • Remove your guide from the package

  • BB mount guides will include a 0.5mm BB spacer for alignment

  • Remove your cranks from the bike

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Install the guide on the bike Start with the 0.5mm BB spacer mounted between the chainguide and the frame
  • Install the guide on the bike

  • Start with the 0.5mm BB spacer mounted between the chainguide and the frame

    • Remove the drive side BB cup and slide the guide and spacer over the BB

    • Clean any grease off of the mounting face of the guide and BB, this will help keep the guide from rotating on impact

  • Snug down the BB

  • Loosen the bolt on the lower slider and swing the lower slider open

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Adjust the lower slider to the position that matches the size of your big chainring This guide is set-up in the 38t position Release the lower slider by lifting the tab on the back of the slider and pulling the bottom of the slider out
  • Adjust the lower slider to the position that matches the size of your big chainring

    • This guide is set-up in the 38t position

  • Release the lower slider by lifting the tab on the back of the slider and pulling the bottom of the slider out

  • Adjust the slider, then clip it back onto the backplate, be sure the slider nut is properly aligned with the hole in the slider

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Slide the cranks back into the drive side BB cup and close the lower slider
  • Slide the cranks back into the drive side BB cup and close the lower slider

  • tighten the slider bolt to 0.5nm

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Sight down the back of the bike and check the chainrings to make sure they are properly aligned with the lower roller
  • Sight down the back of the bike and check the chainrings to make sure they are properly aligned with the lower roller

  • Move the 0.5mm spacer as needed to align the guide with the rings

  • Remove the cranks and tighten the BB to manufacturers torque spec

  • Reinstall the cranks per manufacturers recommendations

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Check derailleur function and alignment before riding Check derailleur function and alignment before riding
  • Check derailleur function and alignment before riding

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Conclusion

Thanks for reading, now get out there and ride!

The Hive

Member since: 12/05/2012

51 Guides authored

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