Rapilock adapter for racing bikes with through 12x142/148mm rear wheel axles.

This universal system fits most bikes.

3 different threads can pair up to 8 different specifications.

The kit includes tools, a manual and a size chart:

shaft length: 12x154mm with integrated handle (1pc).

blue thread: M12 * P1.0 Thread length 20 mm..

brown thread: M12 * P1.5 Thread length 18mm.

pink thread: M12 * P1.75 Thread length 20mm.