I need to buy a new crankset. It looks like there's far more choice in 9sp-compatible cranksets than 8sp cranksets. But all the componentry on my bike is currently 8sp. So - will a 9sp crankset work on my 8sp derailleurs, chain and cassette?
I've done some research on the web and I'm now a little confused. Some people say a 9sp crankset will work just fine. Others say the 9sp crankset have reprofiled pick-up teeth that won't work with an 8sp chain so you have to change the chain to a 9sp chain. The 9sp chain will work fine with the 8sp cassette and derailleurs. But I'm not keen on the idea of a 9sp chain because I've read that 9sp components wear down up to twice as fast as 8sp components.
Help!
I currently have my eye on an M572 LX splined 9sp crankset and an XT ES71 splined BB.
I need to buy a new crankset. It looks like there's far more choice in 9sp-compatible cranksets than 8sp cranksets. But all the componentry on my bike is currently 8sp. So - will a 9sp crankset work on my 8sp derailleurs, chain and cassette?
Yes. There is no problem with that. -- Typoes are a feature, not a bug. Some gardening required to reply via email. Surrealism is a pectinated ranzel.
I need to buy a new crankset. It looks like there's far more choice in 9sp-compatible cranksets than 8sp cranksets. But all the componentry on my bike is currently 8sp. So - will a 9sp crankset work on my 8sp derailleurs, chain and cassette?
I've done some research on the web and I'm now a little confused. Some people say a 9sp crankset will work just fine. Others say the 9sp crankset have reprofiled pick-up teeth that won't work with an 8sp chain so you have to change the chain to a 9sp chain. The 9sp chain will work fine with the 8sp cassette and derailleurs. But I'm not keen on the idea of a 9sp chain because I've read that 9sp components wear down up to twice as fast as 8sp components.
A 9 speed crank will work fine with an otherwise 8 speed drivetrain. The only real difference is going to be a slightly smaller space between the two chainrings - hardly enough to get excited about.
Thanks for your advice, everyone. I've just placed an order for Shimano LX M571 splined crankset and a 121mm LX ES51 splined BB. Goody!
Jack.
"Mark Hickey" <[email hidden]> wrote in message "]news:[email hidden]...
Quoted message said:
"Daniel Kelly \(AKA Jack\)"
Quoted message said:
I need to buy a new crankset. It looks like there's far more choice in 9sp-compatible cranksets than 8sp cranksets. But all the componentry on
my
Quoted message said:
Quoted message said:
bike is currently 8sp. So - will a 9sp crankset work on my 8sp
derailleurs,
Quoted message said:
Quoted message said:
chain and cassette?
I've done some research on the web and I'm now a little confused. Some people say a 9sp crankset will work just fine. Others say the 9sp
crankset
Quoted message said:
Quoted message said:
have reprofiled pick-up teeth that won't work with an 8sp chain so you
have
Quoted message said:
Quoted message said:
to change the chain to a 9sp chain. The 9sp chain will work fine with
the
Quoted message said:
Quoted message said:
8sp cassette and derailleurs. But I'm not keen on the idea of a 9sp
chain
Quoted message said:
Quoted message said:
because I've read that 9sp components wear down up to twice as fast as
8sp
Quoted message said:
Quoted message said:
components.
A 9 speed crank will work fine with an otherwise 8 speed drivetrain. The only real difference is going to be a slightly smaller space between the two chainrings - hardly enough to get excited about.
I'm running 9 speed cranksets with 8 speed chains, cassettes and shifters on two MTBs right now - an XT FC- M760 w/ the integrated BB on my hardtail and an XT FC-M752 splined BB set-up on my full rigid MTB. I've noticed no real difference in shifting performance compared to full 8 speed setups. I'm also using a 9 speed front derailleur on the hardtail with no fuss.
The only real problem I have is with my splined XT crank/BB setup. It developed an intermittent clicking noise soon after I installed it last year that I just can't get rid of no matter what I do. All the trouble-shooting I've done (including wapping parts around from bike to bike and replacing the BB) has points directly at the splined BB/crank interface. No amount of cleaning, tightening or greasing gets rid of it permanently.
I'm running 9 speed cranksets with 8 speed chains, cassettes and shifters on two MTBs right now - an XT FC- M760 w/ the integrated BB on my hardtail and an XT FC-M752 splined BB set-up on my full rigid MTB. I've noticed no real difference in shifting performance compared to full 8 speed setups. I'm also using a 9 speed front derailleur on the hardtail with no fuss.
The only real problem I have is with my splined XT crank/BB setup. It developed an intermittent clicking noise soon after I installed it last year that I just can't get rid of no matter what I do. All the trouble- shooting I've done (including wapping parts around from bike to bike and replacing the BB) has points directly at the splined BB/crank interface. No amount of cleaning, tightening or greasing gets rid of it permanently.
Check the Powerlink (if applicable) on your chain (sporadic due to gear combos)???
"S o r n i" <[email hidden]> wrote in message "]news:[email hidden]...
Quoted message said:
KLydesdale said:
I'm running 9 speed cranksets with 8 speed chains, cassettes and shifters on two MTBs right now - an XT FC- M760 w/ the integrated BB on my hardtail and an XT FC- M752 splined BB set-up on my full rigid MTB. I've noticed no real difference in shifting performance compared to full 8 speed setups. I'm also using a 9 speed front derailleur on the hardtail with no fuss.
The only real problem I have is with my splined XT crank/BB setup. It developed an intermittent clicking noise soon after I installed it last year that I just can't get rid of no matter what I do. All the trouble- shooting I've done (including wapping parts around from bike to bike and replacing the BB) has points directly at the splined BB/crank interface. No amount of cleaning, tightening or greasing gets rid of it permanently.
Check the Powerlink (if applicable) on your chain (sporadic due to gear combos)???
Bill "tick...tick...tick..." S.
By intermittent I meant that the noise may occur for a period of time and then not occur at all on the next ride. When the clicking starts it happens on every crank revolution which kinda leaves out chain-related stuff.
"KLydesdale" <[email hidden]> wrote in message news:<[email hidden]>...
Quoted message said:
... The only real problem I have is with my splined XT crank/BB setup. It developed an intermittent clicking noise soon after I installed it last year that I just can't get rid of no matter what I do. ...
Loose pedal bearings sometimes sound like BB noise.
