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Black Week Price
Product photos

Non-contractual photo

Key features

  • Best chain contactOptimised tooth profile that reduces wear on the crown and sprocket. Specifically, you can space out maintenance and enjoy more riding time in off-road conditions.
  • High resistance material7075-T6 aluminium, laser cutting and anodised finish for mechanical strength, precise dimensions and corrosion protection in off-road conditions.
  • Designed for off-roadRace-specific design adapted to off-road constraints. Compatible examples: SHERCO 500 SEF FACTORY 500 (2026), RIEJU MR 300 (2026), GAS-GAS EC 300 (2019). See dedicated section.
Black Week Price
Ref : SUP00060A / AF20639
SuperProx

SuperProx 39 teeth Sprocket

Recommended retail price: 52,90 €44,18 €

Compatibility

Check that this part fits your motorcycle

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Key features

  • Best chain contactOptimised tooth profile that reduces wear on the crown and sprocket. Specifically, you can space out maintenance and enjoy more riding time in off-road conditions.
  • High resistance material7075-T6 aluminium, laser cutting and anodised finish for mechanical strength, precise dimensions and corrosion protection in off-road conditions.
  • Designed for off-roadRace-specific design adapted to off-road constraints. Compatible examples: SHERCO 500 SEF FACTORY 500 (2026), RIEJU MR 300 (2026), GAS-GAS EC 300 (2019). See dedicated section.

Features

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