Customer Service (503) 832-7336
The Only Place For People Who Ride


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Free standard shipping on orders over $149
We ship to the lower 48 United States. Orders over $149 ship free; a flat rate applies under $149. Estimated delivery dates are shown at checkout based on item availability and the shipping option you choose.
We text or call to confirm sizing & fitment before we ship.
Every Factory SuperBike order includes a free expert check from real riders. Before we ship helmets and gear, we text or call to confirm your size and fit; for parts, we verify fitment to your bike. This is why we don't have to guess and you don't have to gamble.
Helmet & gear orders: reply to our text to confirm and your order ships, typically same day. No reply within 48 hours and we'll call you. Questions now? Call or text (503) 832-7336.
Twinring* Rear Sprocket - 49 Tooth - Silver
Inner ring is the same high strength Ultralight* 7075 T-6 aluminum used for the standard Renthal sprocket, Outer ring is electro-less nickel coated steel for ultimate durability and is designed with the minimum amount of material to keep weight down, The outer ring is expanded at 200?C and then fitted over the inner; this interference fit combined with the wave pattern ensures a permanent bond for the life of the chainwheel, The flat socket head screws add additional strength to the chainwheel during side impacts and eliminates contact with the chain guide, Self cleaning mud grooves between each tooth prevent dirt build upand reduce chainwheel wear and weight, Will outlast a standard all aluminum sprocket by 3 times, yet is much lighter than an all steel rear sprocket
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