The next standard in MX durability and efficiency: a unique self-cleaning profile keeps the contact patch clear while trimming weight. Heat-induction hardened C45 steel lasts up to six times longer than 7075 aluminium, protecting your chain and your lap times.

Features

• Unique self-cleaning design keeps contact area clear
• Significantly reduced weight versus conventional steel rears
• Heat-induction hardened C45 steel construction
• Lasts up to 6× longer than a 7075-aluminium sprocket
• Greatly extends chain life by minimizing abrasive buildup
• Optimized tooth geometry for smooth, efficient drive

Specifications

• Material: Heat-induction hardened C45 steel
• Tooth count: 42
• Drive chain pitch: 520
• Colour: Black

Vehicle Fitment

Aprilia (Road, Rear)

• 250 RS (1995-2004)