GILLES AXB black chain tensioner — manufacturer reference: AXB-NC51-B. Designed for roadsters, this tensioner replaces the simple axle block and facilitates maintenance and adjustments of the rear end.

Compact and understated in black, it offers precise chain tension adjustment thanks to a graduated scale and a special screw allowing the axle to be adjusted in both directions. Ideal for those who want a clean wheel alignment and quick tuning in the workshop or on the road.

• Precise chain tension adjustment via scale
• Special screw for axle adjustment in both directions
• Compensation for factory tolerances for reliable alignment
• Simplification of rear wheel changes
• Protection of the axle against compression and tension loads

Suitable for the motorcycles listed in the technical data sheet (notably the NC51 references), this tensioner is aimed at riders concerned with quick and reproducible chain adjustments. A useful accessory for routine maintenance — tension, wheel replacement, and sprocket alignment — that integrates discreetly onto your roadster.