Vehicle Parts & Accessories Yamaha YZF-R1 2004-2014 Driven Steel Front Sprocket 1036-520-17T Motorcycle Chains, Sprockets & Parts, The front sprockets are ade of case hardened steel Shop Newest Fashion & Lifestyle Online. All sprockets are machined to tolerances no greteer then 0 Buy direct from the factory You can improve both the performance and appearance of your bike with the addition of Driven sprockets 2mm which is less then half OEM standards, Yamaha YZF-R1 2004-2014 Driven Steel Front Sprocket 1036-520-17T Enjoy 365 Day Returns We carry all the best brands at great prices., Yamaha YZF-R1 2004-2014 Driven Steel Front Sprocket 1036-520-17T Provide you with the best service, Top quality! Exquisite goods online purchase.