SuperProx 51 teeth SprocketRef : SUP00055A / AB10451

51 Tooth Sprocket by SuperProx

Aluminium 51 tooth sprocket designed for Cross, made from 7075-T6 aluminium to withstand off-road demands. Optimised tooth profile and grooves between the teeth reduce chain abrasion, extending the lifespan of the transmission. Laser cutting and anodised finish ensure a precise fit and long-lasting performance in racing conditions.

Design and Materials

• 7075-T6 aluminium providing high strength for suitable performance under cross conditions
• Laser cutting ensuring a precise fit for a clean installation and reliable alignment
• Anodised finish protecting the surface against oxidation and maintaining appearance over time
• Race-specific design with geometry tailored for competitive stresses
• Grooves between the teeth expelling dirt to reduce abrasive effects on the chain and sprockets

Practicality and Features

• Pitch 420 and 51 teeth for a compliant replacement for transmissions equipped with 420 chain
• Special tooth design introduced in 2004 improving chain contact to limit wear
• Recognised manufacturer supplying European manufacturers and racing teams for proven reliability

Advantages

• OEM Reference 51-13012-51
• Choice of colour at no extra cost, facilitating customisation without additional charges
• Drawings and visuals are non-contractual, with accurate technical dimensions

Examples of Compatible Motorcycles

• HONDA CRF 150 R BIG WHEELS 150 (2026)
• HONDA CRF 150 R STD WHEELS 150 (2019)
• HONDA CR 85 R STD WHEELS 85 (2007)

Complete list of compatible motorcycles available in the dedicated section below