PBR Standard C45 Steel 4357 - 525 SprocketRef : PBR00099A / 1075287004

PBR Steel C45 Standard Sprocket 4357 - 525: a simple and robust solution to replace the rear transmission of your trail, roadster, or motocross bike. Designed by PBR based on experience gained in competition, this sprocket is aimed at riders looking for a reliable and durable part for a 525 pitch chain.

• Manufacturer reference: 4357 44 C45
• Material: C45 steel, treated to resist wear
• Number of teeth: 44
• Chain pitch: 525
• Color: black
• Manufactured according to quality processes derived from competition experience

The standard tooth profile and C45 steel give this sprocket good longevity against abrasion and corrosion, while remaining compatible with common 525 chain/sprocket setups. This replacement part is easy to install and suitable for original settings and periodic replacements to maintain a healthy transmission.

Examples of common fits: HONDA CMX 1100 REBEL (2025), HONDA CBR 650 R (2024), and HONDA CB 650 R (2024). Please check the number of teeth and chain pitch before ordering.