Niner MTB 15mm to 12mm Thru Axle Fork Adapter Conversion Kit

Kit includes the following:

•  Threaded insert: M15x1.5mm pitch external thread, M12x1.5mm internal thread, 24mm deep.

•  Thru axle hole insert: 15mm OD x 12mm ID, 24mm deep.

•  Thru Axle: 12mm x 152mm long, M12x1.5mm thread.

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

Click here for YouTube video guide

1. Use either grease or low-strength thread locker on the threaded insert.

2. Use Park Tool SPA-2 or equivalent 2.3mm pin spanner to tighten threaded insert into fork. Flange goes on the OUTSIDE (see third picture).

3. Use grease on O-ring of thru hole insert and install into fork with a combined pushing and twisting motion. Do NOT use thru axle to drive the insert into the fork.

4. Use grease on threads of Thru Axle.