Switch Carrier & Chainring Install

Things You Will Need

  • 4mm Hex Key
  • 5mm Hex Key & TL-FC16 (For Shimano crank removal)
  • 8mm Hex Key (For SRAM & CINCH crank removal)
  • Grease
  • Cloth or grease

Assembly time, approximately 10-15 minutes. Difficulty: Easy.

Although the concept remains the same, the tools required to mount the Carrier will differ depending on the Direct mount interface standard of your Crank. See below for your specific crank.

Shimano DM: Use TL-FC41 & TL-FC32 and tighten carrier to 35-50Nm.

Sram DM: Use T25 Torx key and tighten the three mounting bolts to 8-9Nm.

RaceFace Cinch DM: Use a Cinch Lock Ring Tool or Park Tool BBT-22 and tighten lockring to 40Nm.


Align the small bump on the edge of the carrier with your crank arm.


Using a 4mm Hex Key, install ring onto carrier and tighten bolts to 8Nm.


All 4 bolts need to be backed off / tightened to Switch rings (anti-clockwise is tightening from the outside / on bike position).


Use some grease on the Switch bolts and tightening with a wrench FULLY ENGAGED in the bolt.