The Otso Tuning Chip™ Socket Tool is a 20mm socket designed for in-the-field derailleur hanger repair or flipping your Tuning Chip rear dropout system. Use a 8mm hex wrench to turn the top cap into a socket for removing the Tuning Chip nut. This tool is intended for trailside repairs only. Once you return back to base, use a torque wrench to achieve the proper torque spec of 20Nm.

  • Works with all Otso Tuning Chip dropouts
  • Integrated 20mm socket design interfaces axle nut to adjust the Tuning Chip position or replace the derailleur hanger if you need it on the trail
  • Operates with a 8mm hex tool to remove Tuning Chip nut. 
  • This tool is intended for trailside repairs only. Once you return back to base, use a torque wrench to achieve the proper torque spec of 20Nm
  • 20Nm max torque rating
  • 8g