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Currently got XT shifters, front mech, crank with SLX rear mech.
I've got a FSA 2x10 chainset - just wondering if I need to replace the 3x left XT shifter or can it be adjusted so that I limit the lower setting and only allow it to select the two rings of the 2x10?
Or, perhaps ditch the big ring on the 2x10, ditch the front shifter and mech and run 1x9 with some kind of device to stop the chain coming off?
Should be pretty easy to set the adjustment screws on the mech to handle the space required by 2 rings and then tighten the cable to suit.
3 speed shifter will be fine - if you adjust the mech screws appropriately, you'll find that the shifter won't be able to get into the "big ring" position even if you try.
Edit - beaten to it.
Cool. Thanks chaps.
TBH, why go 2x9?
IF you've got to have the front mech and shifter anyways why lose a chainring? If it were my choice I'd go for the 1x9 option. One less shifter, cable and mech to faff about with.
TBH, why go 2x9?
why not? maybe the gear range on 1x9 won't be sufficient....
Because I found that I just didn't need the big chain ring at all. Why carry it around if I don't need it?
I found that 2x9 with a normal front mech seemed to drop the chain quite a lot but that was solved with an SLX double specific one.
FWIW, I've since gone 1x10 as I found that I didn't really need two chainrings once I've got a 11-36 cassette.
Use the middle ring and Big ring shifter positions on the shifter.
Lose the small ring click.
I was having problems getting this to shifter correctly and someone said to do this and its worked much better since.
I've gone for a 26-39 * 11-34 on my Full suss and 42-28 * 11-32 on my rigid 29er.
Really I just want a 11-32 on my full suss (to lose weight) but I need to get a little tougher before I do that as I've found my self using the 34 tooth cassette cog quite a bit.
Just gone 1x11 after trying it on a friends bike, and best move ever made. Didn't think I would be fit enough to run x1 on front, but find it great. Had 1x10 to start, with 11-36 on the back, and to be honest, there was very little I could not manage, as opposed to the 42 on the back now.
why go 2x9
1, change to a 34T ring and that's all the gears you need for mtb (1x9 = some pushing if you ride proper mountains)
2, fit a bash guard = looks nicer -low profile - doesn't take chunks out of your leg in a crash
3, shorter chain = less flapping - better shifting - less weight
2, medium cage mech = less flapping - better shifting - less weight
3, this mod wont brake the bank
All my bikes run 2 chainrings
I think aesthetically 1x 9/10 looks nice but I do do a fair bit of riding to work on roads/cycle paths and I think I'd miss the big ring. Plus, financially, switching to a 10 or 11 speed block and replacing the chain and mech too isn't really my plan at the moment. I rarely use the granny and got a FSA 2x chainset off CRC at a good price so thought 2x9's worth a go. I've only recently bought a 11-34 9 speed red pg990 too and new 9 speed kmc chain so will have a word with the LBS and find out how much they want to sting me for fitting the FSA BB and chainset.
edit: are the tools for removing an XT BB the same for fitting a FSA BB?