## Moto-Master 7075 Alu 428 42-Teeth Rear Sprocket The `Moto-Master 7075 Alu Rear Sprocket` with `428 chain pitch` and `42 teeth` is engineered to elevate the performance of `KTM, GasGas, and Husqvarna 50cc youth motocross bikes`. This `lightweight aluminum sprocket` is crucial for `reduced rotating mass`, offering a significant advantage in acceleration and overall handling for competitive young riders. It delivers the reliability and superior power transfer essential for conquering any track. ### Unrivaled Durability and Strength Crafted from premium `hard-anodized 7075-T6 aluminum`, this `Moto-Master rear sprocket` boasts an exceptional `strength-to-weight ratio` that stands up to the rigors of off-road racing. The advanced anodizing process not only enhances its aesthetic appeal but also provides superior resistance to wear, corrosion, and impact, ensuring a longer lifespan even under extreme conditions. * Constructed from `7075-T6 aircraft-grade aluminum` for maximum resilience. * `Hard-anodized finish` dramatically increases surface hardness and wear resistance. * Designed to withstand the harsh demands of `youth motocross`, providing consistent performance. ### Precision Engineering for Optimal Performance Every `Moto-Master 42-tooth rear sprocket` is meticulously designed to optimize power delivery and bike responsiveness for `50cc youth motocross models`. Its `lightweight design` contributes to a significant reduction in unsprung weight, improving suspension action and allowing the engine's power to be more efficiently transferred to the ground. This precision engineering ensures a competitive edge on the track. * `Optimized tooth profile` for smooth chain engagement and efficient power transmission. * `Reduced unsprung weight` enhances acceleration and improves suspension performance. * Engineered specifically for `50cc youth motocross bikes` to meet high-performance demands. ### Technical Specifications * **Product Type:** Rear Sprocket * **Chain Pitch:** 428 * **Teeth Count:** 42 * **Material:** Hard-Anodized 7075-T6 Aluminum * **Series:** 7075 Alu Rear Sprocket Black * **Part Number:** 620292 ### Compatibility * KTM SX 50 (2002-2026) * KTM SX 50 Mini (2002-2026) * KTM SX-E 5 E-Bike (2019-2026) * GASGAS MC 50 MC-E E-Bike (2021-2026) * HUSQVARNA TC 50 (2017-2026) * HUSQVARNA TC 50 Mini (2018-2026) * HUSQVARNA EE 5 E-Bike (2019-2026)