
RENTHAL Sprocket - Yamaha - 40 Tooth 437U-520-40GBSI
Sprocket - Yamaha - 40 Tooth
CNC-machined from a specially enhanced 7075-T6 aluminum alloy, Machined self-cleaning mud grooves at each tooth to help increase wear resistance, All rear sprockets are the ultralight design, making them 66 percent lighter than steel, yet incredibly durable
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Shipping & Returns
Description
Sprocket - Yamaha - 40 Tooth
CNC-machined from a specially enhanced 7075-T6 aluminum alloy, Machined self-cleaning mud grooves at each tooth to help increase wear resistance, All rear sprockets are the ultralight design, making them 66 percent lighter than steel, yet incredibly durable











