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This is a genuine Tamiya R/C spare part, specifically the SP-504 F-1 Gear Case, designed for the F103 chassis. This component is crucial for maintaining the optimal performance and longevity of your Tamiya F103 series RC car. Crafted from durable nylon material, this gear case is engineered to withstand the rigors of high-speed racing and various terrains, ensuring reliable and long-lasting performance for serious RC enthusiasts.The gear case serves as a protective housing for the internal gears of your RC car's drivetrain, shielding critical components and maintaining proper gear mesh. This precise fit is essential for seamless integration into your existing F103 setup, whether you are engaging in competitive racing or enjoying casual driving.Regular replacement of worn or fatigued parts, such as the gear case, is recommended to keep your RC car in the best possible condition. This spare part is an ideal choice for hobbyists looking to perform routine maintenance or upgrade their F103 models.The Tamiya F103 chassis itself features a 2WD direct drive system with a rear-mounted motor. Its FRP double-deck frame, consisting of 1.5mm upper and 2.5mm lower decks, incorporates a link-type arm and coil spring left/right independent front suspension. The rigid rear suspension setup utilizes an FRP T-bar, working in conjunction with a friction plate and coil spring unit for a smooth drive. The gear case is height adjustable, allowing for various ground clearance settings, and houses a high-performance ball differential. Front uprights are designed with a 3° caster angle and are equipped with 850 ball bearings.This gear case is specifically designed for the F103 chassis and may require modifications to fit other Tamiya models. The use of nylon material provides excellent durability and resistance to wear, making it suitable for high-performance applications.

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