This aluminum chain tension adjuster is a replacement component for Team Losi Promoto-MX motorcycles and carries the model designation JR-LMX08-GR. It is designed to deliver a corrosion-resistant contact point for final chain tensioning and lateral alignment on Promoto-MX style kits.
Finished in green anodize and machined from aluminum, the adjuster takes the place of softer plastic or alloy pieces while using the original Promoto-MX rear mounting locations. The stiffer construction helps preserve factory geometry and reduces deformation during repeated setup and riding cycles typical of 1/10 scale motorcycle models.
Fitting is simple for modders with experience on motorcycle hop-ups: remove the existing rear adjuster, align the JR-LMX08-GR with factory fasteners and mounting points, then secure per the chassis torque recommendations. Confirm chain tension through full travel before operating the model.
From a durability perspective, the aluminum body offers improved resistance to wear and bending compared with stock materials, making it useful when you want consistent chain play across multiple maintenance sessions and harsher riding conditions.
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