Seens that 10 speed stuff can be purchased for a better price than 9 speed.
Only good if it's compatible though!
Thinking 10 speed XT cranks with 9 speed SRAM block, mechs and shifters.
Bike Forum
10 Speed Chainsets ..... Can I use them on a 9 speed set up?
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Posted 3 months ago #
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Yes, no problem what so ever.
Posted 3 months ago # -
If you like to risk giving yourself unnescessary mechanical issues by deliberately spending money on stuff that you know is not compatible with your system and then possibly/most probably having to shell out more money to buy the right stuff later because it didn't work.... THEN GO FOR IT
Posted 3 months ago # -
Thanks for the thoughts BB - not sure they add any value.
Part of the reason for this thread was to find out if there were compatibility issues
Thank you Blazin.
Posted 3 months ago # -
I have a 9 speed chainset with everything else 10 and it works fine.
Posted 3 months ago # -
I was told that you need to match the front mech to the crank.
Mix and match will work but with a slight bit of rubbage in the outer gears.Posted 3 months ago # -
Sorry I was being slightly cynical there
I'd keep it all 9 speed if it were me. I think you are bound to find it doesn't quite jell. If it is a triple XT 10 speed crank, it's going to be compatible with the new 10 spd front mechs designed for a 42 to 32 Dynasis drop. The older 9 speed front mechs are going to want the 44 to 32 Mega drop and they will have a deeper cage at the back and I doubt you will ever get it to be "sweet as". It is also designed for a different gauge chain. Unless I had stone bonker proof that it was all going to work perfectly together I'd not waste my money.
Posted 3 months ago # -
I was wondering about going the other way - going 10 speed with a 9 speed chainset. I'm not convinced there will be any problems whatsoever but I'd like to hear from people with actual experience.
Posted 3 months ago # -
After a quick google it looks like the chain line I different.
That would certainly substantiate thoughts above.
Hmm.
Posted 3 months ago # -
Chainline is adjustable though.
I'm running a 10 speed XT mech on 9 speed XT cranks, no issues (In fact it shifts far better than my older 9 speed XT mech) - although I'm only using double and bash.
Posted 3 months ago # -
I recently popped a 10 speed x7 double onto my existing 9 speed set up, mainly x9 with an slx f mech. I did find it ran smoother with a 10 speed ultegra chain, that I had in my parts box, rather than the pretty tired 9 speed chain. I also found that using the second click (middle ring) for the double inner ring made it far easier to set up without any rubbing issues.
Posted 3 months ago # -
I am running 10 speed SLX rings on 9 speed XT cranks with 9 speed mech etc.
The ratios are different - 24-32-42 on 10 speed compared to 22-32-44 so you will lose your top and bottom most gears but gain a less clunky change and a bit more clearance. You can't quite adjust the 9 speed front mech to be s close to the chainring as it hits the middle 32 but it doesnt affect it. Just leave the mech where it was when it had the 9 speed stuff on.
Chainline should only be different for the 10 speed XT double I think.
Posted 3 months ago # -
I was wondering about this too (actually posted a few days ago) Im looking at replacing a 9 speed homemade double with the 10 speed XT m785 double but keeping the rest of the drivtrain 9 speed.
the general concensus was that it would be ok. If anyone has done this and it works a "yes its fine" will have me ordering on tomorrow.
oh, is it better to use a 10 speed chain or is it ok with a 9 speed one?Posted 3 months ago # -
Ran a CdF with 10 speed chainset and 9 speed XT gears, perfect buttery changing.
Cross bike has a 10 speed chainset and 105 9 speed gearing, excelent.
Training bike has 9 speed chainset and 10 speed Ultegra, never been an issue.Posted 3 months ago # -
Can I ask a favour.
When it doesn't work and IF you then take it to a LBS...please explain to them up front what you have done. Don't let them puzzle over it for 30 minutes to work it out.
Posted 3 months ago # -
Any LBS that can't spot the difference quickly aren't a shop I want to work on my bike.
It'll be fine.
Posted 3 months ago # -
^agrees with njee.
Posted 3 months ago # -
^agrees with njee.
Posted 3 months ago # -
Just fitted a 10sp xt crank to my girlfriends otherwise shimano 9 sp bike. It changes gear sensationally well.
Absolutely no rubbing at all.
Posted 3 months ago #
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