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Key features

  • Extended lifespanExtends the lifespan of the transmission by reducing abrasion through optimised tooth design and grooves that evacuate dirt. Less wear, fewer interventions, more riding.
  • High-strength aluminiumMade from 7075-T6 aluminium with laser cutting and anodised finish for off-road durability and precise fit. Resists racing stresses and limits oxidation for a lasting appearance.
  • For CrossCrown dedicated to Cross with a 420 pitch, 51 teeth. Compatible with HONDA CRF 150 R BIG WHEELS (2026), CRF 150 R STD (2019) and HONDA CR 85 R STD (2007). Complete list of compatible motorcycles in the dedicated section.
Black Week Price
Ref : SUP00055A / AB10451
SuperProx

SuperProx 51 teeth Sprocket

Recommended retail price: 48,90 €40,83 €

Compatibility

Check that this part fits your motorcycle

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Key features

  • Extended lifespanExtends the lifespan of the transmission by reducing abrasion through optimised tooth design and grooves that evacuate dirt. Less wear, fewer interventions, more riding.
  • High-strength aluminiumMade from 7075-T6 aluminium with laser cutting and anodised finish for off-road durability and precise fit. Resists racing stresses and limits oxidation for a lasting appearance.
  • For CrossCrown dedicated to Cross with a 420 pitch, 51 teeth. Compatible with HONDA CRF 150 R BIG WHEELS (2026), CRF 150 R STD (2019) and HONDA CR 85 R STD (2007). Complete list of compatible motorcycles in the dedicated section.

Features

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