REAR SPROCKET STEEL JTR28.42, C49 High Carbon Steel 520

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)

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  250 RS (1995-2004)