Front mech sizing?
treeman2
Posts: 6
Wondering if I need to buy a 9-speed specific front mech for by MTB or are all sizes the same as far as front mechs go. I have 9 speed SRAM chain, X9 rear mech and levers but a Shimano LX front mech and the cage on that rubs when on the extreme gears at the rear. Noticed SRAM sell their front mechs as 9 speed or 7/8 speed so is it likely my LX front needs changing to a specific 9 speed or just more fiddling with the adjustments?
0
Comments
-
What gears are these exactly where it rubs?0
-
rubs when on small front with smallest rear, and same when on big front and the biggest rear (so not normally gears I'd use). Only middle front is rub-less. Tried adjusting limmits but then the chain won't move onto the big or small front cog when in certain rear gears. So that's what making me wonder if incorect part.0
-
They generally do rub in those combos - it is not recommended you use them, as you say.
I wouldn't worry if it is only those combos.
8 speed mechs are generally wider than 9 speed, so rubbing can be less, but shifting a bit slower.0
