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is there much of a true weight savings between a full XTR groupo and an XT groupo?....is XTR really WORTH the extra $$?....i'm planning on building up a complete bike (Ellsworth Isis), and would like to keep it as light as possible, without paying a fortune.....hope to use '02 parts
XTR definately seems to last longer then XT, the chainrings are more durable and those rear derailleurs last forever. Depending on the riding you plan to be doing, you might want to go to an XT cassette for greater durability and so save yourself a little extra cash.
but from my experience there isn't that much difference.
On some parts the difference in quality may be more noticable such as the shifters, but on parts like brakes and derailures, XT will do the job great.
Buy according to the riding you will be doing, I'm going down to a Deore rear mech cause I break XT mech's. XT Crank weight less, but dosen't have the lifetime warrenty, depends how you will use it.
And I have riden both XT and XTR rear derailuers and there isn't much difference IMHO. I will admit the XTR shifts a little crisper but it's not a make or break decision. I got a good deal on a used part, when my XT got trashed in a fall, otherwise I'd still have that on my rig.
I agree that a mix of parts is probably the way to go if you are looking for the best bang for your buck.
This is my setup
XTR Front and Rear V-brakes
XT shifters and brake levers
XT BB and crankset
Havn't had any problems yet.
If you look at the 960 series XTR the cranks the weigh savings will be added to the extra stiffness, but heavier than the Tunes or Storks. The chioce is yours...
It was around $2000/lb!
I don't own xtr because I have yet to have trouble with xt and I couldn't afford it if I were to brake any of the parts. Shimano is very good at putting the same product in three different boxes and charging three different prices. For instance, the difference between xt and lx cranks is the colour and the chainring bolts (9g difference).
Miles wrote:For instance, the difference between xt and lx cranks is the colour and the chainring bolts (9g difference).
And the quality of the outer and middle chainring and the XT has a removable spider and the XTs are cold forged (LXs are warm forged) and if you are really nit-picking, XTs come with self extracting crank bolts
But you are right, functionally they are almost identical, and probably not worth the 50% price difference.
The 2003 models take different BBs too.