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Your cart is empty.Made from Japanese SCM420 chromoly steel alloy. Heat treated and hand finished to meet or exceed OEM standards. Outlasts any mild steel or surface hardened sprocket. Each sprocket goes through 10 quality control checks before it leaves the factory. JT Sprockets are manufactured the right way – by hobbing, machining and drilling; this is the only proven way to achieve the closest of tolerances and the most accurate teeth profiles.
Diego Acosta
Reviewed in the United States on January 29, 2025
Excellent product quality, highly recommended.
MotoRiderNC
Reviewed in the United States on April 7, 2025
Made a noticeable difference on the trail with my KTM 390 Adv. very happy with installing. Installation was easy and straightforward.
Kyle Manybikes Bradshaw
Reviewed in the United States on October 25, 2023
I installed this 14T sprocket and was blown away! The bike leaves stop signs and stop lights with EASE compared to the stock 15T sprocket. The bike is peppier, and way more fun to ride. Size differences are shown in the images. Only downside was the loss of close to 10 mph on the top end.... but who needs to go over 100 mph? I now easily cruise at 80 mph with the tach at 8k rpms. Best 390 purchase ever. Installation is easy and if this is the only addition... your stock gear will work perfectly, just adjust your chain!
Slykitchen
Reviewed in the United States on September 2, 2022
Went down a tooth on a Svartpilen 401. Doesnt have the dampener rings like stock sprocket but i cant really tell. Gave a little more pull down low to mid. Overall happy.
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