Hi John,
There is a download for your set up (M809-020). IF you want to squeeze those extra couple of ponies out and you have a tuner you know is really good, go for it, but it's really not necessary. You would be better served going for a 28T pulley if more performance is what you are after.
John
There is a download for your set up (M809-020). IF you want to squeeze those extra couple of ponies out and you have a tuner you know is really good, go for it, but it's really not necessary. You would be better served going for a 28T pulley if more performance is what you are after.
John