PBR Steel Standard 438 - 520 Gearbox output pinionRef : PBR00879A / 1077712001

The PBR standard steel sprocket 438 - 520 (manufacturer reference: 438 13 18NC) is designed to replace the original part on 520 chain transmissions. Drawing from PBR's experience in competition, this sprocket combines robustness and precision for road and roadster use.

• Material: 18NCD5 steel, high-quality alloy
• Number of teeth: 13 teeth
• Chain pitch: 520
• Type: sprocket 438, standard version
• Manufactured under a strict industrial process for reliable fit

Compact and durable, this PBR sprocket resists corrosion and abrasion while helping to reduce friction against the chain. Ideal for riders looking to maintain a healthy transmission, it preserves a gear ratio consistent with the original configuration, thus maintaining the balance between acceleration and top speed.

Example compatibilities: SUZUKI DR 800 S (1997), YAMAHA TDR 250 (1990), SUZUKI RGV 250 (1996). Suitable for roadsters equipped with a 520 final drive requiring a standard 438 sprocket.