Trek Domane/Trek FX S 6 15mm to 12mm Axle Adapter

Kit Includes the following:

• Thread insert:Trek Domane Disc thread insert, M12x1.5mm internal thread, M20x1mm external thread (replaces original)
• Thru Hole Insert: 15mm OD x 12mm ID, 19mm long (fits inside original unthreaded insert)
• Axle: 12mm x 140mm long, M12x1.5mm threads, 5mm hex recess

Any of our products can be returned and refunded.

If you would like to return a product or have any queries, please fill in the contact form on our homepage within 14 days and we will be in touch.

We can ship anywhere in the United Kingdom for free. We ship to selected countries in Europe; costs may vary. We do not currently offer shipping to countries outside of the UK and Europe.

Shipping methods & times:

UK - up to 3 days, Royal Mail First Class Signed For

Europe - 7-10 days, International Standard Tracked

1. Use 1" (25.4mm) spanner wrench to unscrew nut on disc side of fork then push original threaded insert out of hole, or tap it out using a plastic mallet.
2. Place new threaded insert into fork in proper alignment and push it in as far in as possible.
3. Install nut and tighten to specified torque while ensuring that the new thread insert is seated fully in the fork leg. Depending on your fork, the new insert might be a slight interference fit.

Installation video