- XX1 / X01 setup fun & games: Chain length & strange noise questions
Check it’s all running through the mech ok, the jockey wheels are narrow wide too and can jump out of sync.Posted 3 years ago
I find mine quite rumbly under load, either putting power down or if it’s muddy, I think this is a lot to do with the narrow wide stuff just being a bit noisier.
Right, I followed the instructions to the letter but my X01 set up (with XX1 chainring) isn’t running right.
It shifts beautifully both ways, finds the 10T cog and doesn’t drop or jump (after quite a bit of gaffing with the B-tension bolt). But if I put a lot of pressure through the cranks in 10T cog it sounds as if the chain is rumbling – almost as if I’ve got the chain wrong on one of the derailleur cogs. It only does it in 10T and none of the others. If I wind the adjuster in or out it makes no difference as far as I can tell.
So could it be chain length? I’ve used the large-to-large + 4 as instructed but it feels a bit slack and the derailleur is full back in 10T (not touching the cassette but it couldn’t cope with much more. Is this normal?
Once I’ve sorted this I’ll move to sorting out the random creaks!
Grateful for any suggestions, constructive or comical.Posted 3 years ago
All set up OK – greased where it was supposed to be, and only 2 weeks old so should have grumbling mech pivots yet.
NW running as it should.
On a hardtail, so no suspension complications.
Puzzled … just back from a ride and same as described so not improving through use.Posted 3 years agoOscillate WildlyMember
I had this, mine was chain length, too long!! Put it in 11th and see if the chain is rubbing on the other part of the chain where its crosses/folds , you’ll be able to see it touching each other
Also the b tension screw it’s imperative to get it right from the off, although if yours is shifting ok then I’d look again at chain length, it shouldn’t really have much slack in 11th
Post a pic as it will be easier to tellPosted 3 years ago
My X01 creaked from new, there are issues witht he cassette and mech, all covered under warranty that SRAM are aware of. mainly its the cassette, take it off and grease the hell out of the slined/threaded bit that you screw on. as in a LOT of grease.
as for the rumbling, stiff link in the chain maybe?Posted 3 years ago
Hell greased out of it now and creaking just about gone. Don’t have a torque wrench that goes to 40Nm so just went for bastard tight setting.
No stiff links, and only happens under load in 10T. Checked there is loads of dropout clearance so nothing to do with rubbing the frame.
Will have to wait to the weekend to find out more …Posted 3 years ago
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