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  1. 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

  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

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

Conclusion

Thanks for reading, now get out there and ride!

The Hive - Jeremy

Member since: 12/05/2012

49 Guides authored

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