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Renthal is proud to present its Ultralight grooved aluminium rear motocross sprocket. The grooved rear sprocket is made from a very high-quality original material and offers good thermal resistance.
The 50-tooth aluminium ultralight rear sprocket is perfect for reinforced 420 chains.
The Ultralight grooved rear sprocket prevents mud build-up and reduces the wear on your motocross bike transmission in extreme conditions
There is a specific Renthal rear sprocket for each model of motocross bike