The Tacx T4565 Spoke Nipple Key (each) is a Universal spoke nipple key – a must carry on your rides to adjust the spokes when things go wrong.

With three different wrench sizes for MTB, road, and trekking bike wheels. Manufactured from hardened steel The key grips the spoke nipples on two flats Spoke nipple sizes: 13 (0.127), 14 (0.130) and 15 (0.136)