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Discussion Starter · #1 ·
I have an 04 400ex with a 38t rear sprocket. I need a bigger diameter sprocket due to chain rubbing. What are some good recommendations?
 

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Discussion Starter · #3 ·
What is the chain rubbing on? I would suspect an incorrect or worn out chain.
Well, the frame is a 400ex...... the engine..... is a BMW S1000RR 😅 because of the way the engine is mounted, the chain is rubbing on the swing arm. I need a bigger diameter sprocket to give it that tiny bit of clearance.
 

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Sprocket Specialists - offers sprockets up to 74 teeth - prices vary from $55 to $115 depending on tooth count - check them out HERE
 
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