JT. Racelite Aluminium Black 897 - 520 SprocketRef : JTC00564A / 1096584010

JT Sprockets Racelite Black Aluminum Sprocket 897 - 520 (manufacturer part number: JTA897.51BLK) — a sprocket designed for replacement or gearing adjustment on 520 transmissions. Its design caters to riders and Quad, Cross, and Roadster pilots looking for a lightweight and high-performance part for their drivetrain.

• Material: Aerospace-grade 7075-T6 aluminum (Ergal)
• Color: Black
• Number of teeth: 51
• Chain pitch: 520
• Type: Standard, direct replacement

The 7075-T6 alloy, used in aerospace, offers an excellent balance of strength and weight, which helps to reduce unsprung weight compared to steel sprockets. The Racelite profile emphasizes a simple and effective design to integrate seamlessly with 520 transmissions without heavy modifications. The black finish provides a sleek and racing look while matching the modern aesthetics of roadsters and off-road motorcycles.

Before installation, check compatibility with your sprocket and chain (pitch 520) as well as the mounting hole spacing. Examples of compatible models based on gearing:

• GAS GAS SM 700 (2026)
• KTM 690 SMC R (2026)
• TRIUMPH TF 250-X (2026)