Case-hardened 15 tooth steel sprocket for F650. Fits F650GS (single), G650GS, G650X and Dakar, Funduro and Pegaso. The F650GS is originally supplied with 16T. This 15T reduces F650GS ratio by 6.25%, making the bike a little easier to ride in off-road situations without a great impact on highway performance. The easiest performance increase you can do - just exchange the sprocket, re-adjust the chain tension and ride! G650XChallenge original size is 15T.
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