Description
- HFRA - Hyper Fast Aluminum 520 Kit, 1 Down in the Front, 2 Up Aluminum Rear
- Fits Yamaha YZF-R1 09-14
- Kit Gearing, Ratio 3.06, Front 16 Rear 49
- OE Gearing, Ratio 2.76, Front 17 Rear 47
- Kit Components, Front 3289-16, Rear 435K-49, Chain 520RV3-120
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Vortex CK6360 Racing Sprocket Kit
