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| Originally Posted by Zimbo16 They won't make a big difference to the overall power, maybe pick up a couple of bhp, but the effect on throttle response is very noticable! For a 900 go for 41s, most people recomend 39s for the 600 / 750 engine. Source - Chris Kelly at California Cycleworks in the states, he supplied mine, here in 3 days and cheaper than UK suppliers. Oh, and fuel consumption improves a little, which helps pay for them! :-) http://www.ca-cycleworks.com/ |
Bang on Zimbo. 41s are the best bet, but I find the most noticeable difference is the change in throttle response from the accelerator pumps. Miles better out of corners, pulling wheelies, etc. Very expensive upgrade though, you might be better saving up for a pair of MBP Testrossa heads!
