
RFX Pro Chain Tensioners - Orange (manufacturer part number: FXAB5000199OR): axle blocks designed for motocross riding. CNC machined, these tensioners provide a reference geometry for chain adjustment and rear wheel alignment, eliminating guesswork during installation. Built for off-road conditions, they offer a lightweight and reliable solution for maintaining chain tension.
These tensioners integrate with compatible swingarms to allow precise positioning of wheel axles. Ideal for setups and replacements on 50cc competition or recreational machines, they are suitable for riders who want reproducible adjustments during paddock interventions.
Compatibility (examples of models):
A simple and effective part for mastering rear alignment: an accessory designed for motocross and riders attentive to their transmission adjustments.