Bonamici Racing Chain Adjusters

Shop our range of Bonamici Racing Chain Adjusters, precision-machined motorcycle chain adjustment systems designed for accurate rear-wheel positioning, easy chain tension adjustment and a premium race-inspired finish.

Bonamici Racing chain adjusters are CNC machined from solid Ergal aluminium, combining high strength with lightweight construction for demanding road, track and race motorcycles.

A key feature of the Bonamici design is its micrometric adjustment system, allowing small and precise changes to rear axle position when setting motorcycle chain tension and wheel alignment. Integrated bearings are also used to minimise friction through the adjustment mechanism, helping provide smooth and accurate operation.

Designed as model-specific replacements for the original chain adjustment system, Bonamici Chain Adjusters combine practical functionality with distinctive Italian racing styling. Depending on the application, the inner adjuster components are available in a choice of black, blue, gold, red and silver finishes, while the main outer body retains a black anodised finish.

Whether you're building a high-spec road bike, track motorcycle or dedicated race machine, Bonamici Racing Chain Adjusters provide a precise, lightweight and premium upgrade to the factory rear axle adjustment system.

Browse our Bonamici Racing Chain Adjusters collection at P3 Tuning and find the correct fitment for your motorcycle.