Fit the Arrowmax 15T first gear, AM-MRX5-A0001, to enhance the drive characteristics of your Mugen MRX5. Made from 7075 aluminium, it delivers solid durability while keeping consistent tooth accuracy.
7075 aluminium is chosen for its high tensile strength and resistance to wear, helping the gear withstand repeated track use. The 15-tooth profile supports reliable power delivery and steady throttle response.
Engineered for MRX5 geometry, this gear offers clean fitment and minimal fuss during gearbox service. It works well for standard maintenance swaps or as part of a staged upgrade path.
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