Vortex Rear Sprocket Fitment:  KTM 690 SMC-R Years:  2008-2011 Pitch:  520 Teeth:  Available in 38-54Teeth (Please specify) Color choice: Blue, Black or Red ORDERING INSTRUCTIONS:  Refer to the sprocket tooth counts available above. When paying write the SPROCKET TOOTH COUNT AND COLOR you want us to ship in your PayPal payment notes. For example: if you want a 40 tooth blue sprocket write: "40 TOOTH BLUE" in the notes to seller section of your PayPal payment. You can also email us your sprocket tooth count and color information before or after check-out. Sprocket Features: Lightweight high-performance alternative to the stock steel sprocket Considerably reduce mass and allow you to change your gearing.  Made with the highest quality aluminum 7075 T6 aluminum is the best grade material for light weight and durability The weight you save on drive components is multiplied as rotating mass Less rotating weight improves acceleration CNC Machined to tightest tolerances Their unique manufacturing process creates a perfectly concentric sprocket every time This frees horsepower and extends the life of both the chain and sprocket Perfected tooth design has less drag and reduces friction for better acceleration and deceleration Attractive, Smart Design Vortex patented design offers a unique look Mud grooves and coating help keep components clean We are an authorized Vortex dealer.

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