hey I am going to change the sprockets on my 96 f3 from a 15/43 stock to a 13/45 (2 down 2 up). I was wondering if I would have to change the stock chain because of the bigger rear sprocket. also how bad will this effect highway riding...I know its going to rob the top end.
thanks guys
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if i am correct i believe the smallest sprocket you can run on the front of that size chain is a 14. -1 +3 would give you the same effect

 

That is going to suck *** for highway riding!

 

his rpms will be really high and thebike will sound like a hive of angry killer bees