Nut narrow M8 T-Cycle

This extra narrow M8 jam nut is intended for installing T-Cycle chain idler sets. Especially for recumbents with derailleur gearing, it makes sense that the chain idler can freely move along the axle bolt. In order to still be able to fix the axle bolt to the frame, a flat jam nut is advantageous. In addition, this makes it also possible to clamp the T-Cycle steel chain guide without reducing the freedom of movement of the chain idler.