Seller notes

Renthal Ultralight Rear Sprocket Part #: 80846940S Manufacturer Part #: 478U-525-40P-HA Overview of Renthal Ultralight Rear Sprocket Renthal Ultralight™ rear chainwheels are manufactured to extremely tight tolerances from  7075 T6 aluminium alloy which is 66% lighter than steel, yet incredibly durable. Their advanced tooth profile, concentricity and accuracy of fit provide maximum power transfer and long-life. Renthal's combination of a high strength base material and exceptionally hardwearin...

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