SuperProx 39 teeth SprocketRef : SUP00060A / AF20639

39-Tooth Sprocket by SuperProx

7075-T6 aluminium sprocket designed for Cross and racing applications, featuring optimised tooth design to enhance chain contact. Laser-cut and anodised finish for precise dimensions and durable performance in off-road conditions. Grooves between the teeth help to expel dirt and minimise wear on transmission components.

Design and Materials

• 7075-T6 aluminium providing excellent mechanical strength and making the part easier to handle during installation.
• Laser cutting ensuring precise dimensions for a snug fit without excessive adjustments.
• Anodised finish offering protection against corrosion and improved surface durability over time.

Practicality and Features

• Special tooth design enhancing chain contact to reduce wear on the sprocket and pinion.
• Grooves between the teeth moving dirt away from the chain to decrease abrasive effects and preserve the transmission.

Usage and Performance

• Race-specific design tailored for Cross to meet the demands of off-road riding.
• Product developed by SuperSprox since 1959, featuring a tooth evolution introduced in 2004, ensuring a proven design for motorcycle transmissions.

Benefits

• OEM Reference 51-32043-39
• Drawings and visuals are non-contractual with technical dimensions provided to verify fit before installation.

Examples of Compatible Motorcycles

• SHERCO 500 SEF FACTORY 500 (2026)
• RIEJU MR 300 2T RACING 300 (2026)
• GAS-GAS EC 300 SIX DAYS 300 (2019)

Complete list of compatible motorcycles available in the dedicated section below