PBR Standard C45 Steel 4507 - 520 SprocketRef : PBR00176A / 1075342002

Manufacturer reference: 4507 40 C45 — PBR C45 steel standard sprocket 4507 - 520

The PBR 4507 sprocket made of C45 steel is a wear part designed for demanding riders, suitable for 520 pitch transmissions. With its 40 teeth and black finish, it replaces the original sprocket on standard setups and is suitable for both roadster machines and cross uses where robustness and ease of maintenance are paramount.

• Material: C45 steel, standard machining
• Number of teeth: 40
• Chain pitch: 520
• Color: Black
• Type: Standard, direct mount

Designed for easy installation on compatible transmission systems, this PBR sprocket is aimed at riders looking for a reliable part to quickly replace a worn sprocket. Its design allows for a precise connection with the pinion and the 520 chain, ensuring smooth torque transfer on the road or in semi-offroad use.

Common compatibilities: GAS GAS SM 700 (2026), KTM 690 SMC R (2026), TRIUMPH TF 250‑X (2026). Always check the number of teeth and centering before installation to ensure fitment on your model.