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               Originally Posted by 
              Grizzly74  
              Just fitted a JT 15T front sprocket and a JT 46T rear sprocket with a 520GXW chain and its really brought the bike to life.
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         Did you go from a 45T to the 46T? I was thinking 47T but don't want to buy a new chain for that, so I was wondering if one tooth on the rear sprocket really feels any different?