SuperProx Blue 47 teeth SprocketRef : SUP00097A / CA304SB47

Blue Sprocket 47 Teeth by SuperProx

Stealth sprocket designed for Cross and Enduro riding, made from steel/aluminium to combine strength and reduced weight. Patented version designed to absorb high torque in extreme conditions and provide a longer lifespan than standard aluminium sprockets. Suitable for 520 pitch transmissions, it facilitates replacements on compatible setups.

Design and Materials

• Patented Stealth version in steel/aluminium, lighter by 10 to 50% depending on the model for easier handling and installation
• Forged riveting with a production history free from rivet breakage, ensuring reliable fastening in intensive use
• Three times the lifespan of a standard aluminium sprocket under equal conditions and performance, reducing the frequency of replacements

Usage and Performance

• Designed for extreme riding conditions to absorb significant engine torque
• Used by factory teams in extreme racing, proving its suitability for intensive competition use
• High resistance with contained weight to maintain robustness without adding bulk to the transmission

Practicality and Features

• 520 pitch for direct replacement on 520 pitch transmissions
• 47 teeth corresponding to the expected ratio for precise chain adjustment
• Blue finish facilitating visual identification of the part during maintenance

Advantages

• OEM Reference RST-245/2:47-BLU
• SUPERSPROX has been producing racing sprockets since 1959, bringing industrial expertise to product quality

Examples of Compatible Motorbikes

• YAMAHA YZ 450 F 450 (2026)
• FANTIC XXF 450 450 (2026)
• YAMAHA WR 450 F 450 (2026)

Complete list of compatible motorbikes available in the dedicated section below