This RC-scale chain tension adjuster set fits Team Losi Promoto-MX motorcycle frames and is sold as model JR-LMX08-BK. The machined aluminum components replace the stock adjusters to offer a stiffer mounting point that helps maintain consistent chain alignment during riding and setup work.
Installation is straightforward on compatible Promoto-MX frames using the existing axle mounts and fasteners. When fitting, confirm axle alignment and torque fasteners to the chassis manufacturer's recommended values, then re-check chain tension and lateral play before the first run. This is an RC spare part and is not suitable for full-size vehicles.
Use the adjuster to achieve the recommended chain sag for your Promoto-MX and verify alignment under suspension compression after changing ride height or shock settings. Regular inspection after off-road sessions helps preserve drivetrain efficiency and reduce premature wear on chain and sprockets.
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