hello, I had a stumpjumper comp carbon (m8) ( http://weightweenies.starbike.com/forum/viewtopic.php?f=10&t=122259 ). two weeks ago I found a crack in my frame, after sending some pics to specialized they said that its my fault and that I probably fell and the frame got hit by an object.

I was very disappointed that after 6 monthes of use, I had to buy a new frame.

the sepecialized dealer is in good relations with are team and he told me that he can give me an aluminium s-works stumpjumper to Demonstrate the company's commitment to the team...

it arrived two days ago and the weight is 1.76 kg (weighted with derailleur hanger, bottle cages bolts, and seat clamp...):


after taking all the parts of my previus frame it weighted 1.4 kg (weighted with derailleur hanger, some dust , and seat clamp. forgot to put bottle cages bolts on...):


when I built the bike I decided to put an slx casste to save some weight and improve the shifting:
previos cassete (sram 11-36) 377g:

slx cassete (11-34) 345g :


almost finished building the bike, still need to adjust the front derailleur and brakes:


after five hours I finished building the bike, this is the first time i've built a bike and I'm very happy that I did it...
I did two rides on the bike and it is very good for an aluminium bike, not stiff like the carbon frame but more comfortable and stiff enough for me .

my bike, with the carbon frame and the sram cassete weighted 11.18 kg. with the aluminium frame and xt casette it weight 11.38 kg . for an aluminium bike, I think that it's a good weight and it's the middle of the racing sesson so I dont have too much time to hang out at the bike shop and buying parts to lighten my bike, so also it's more havy than what I'm used to, I think that this is a very good bike and that it will be good enougth for racing at the nationals this weekend and next week (hold your fingers for me )


build list:
frame L sized S-WORKS stumpjumper M5 (1760g)
fork RockShox Reba RL 29 90mm
crankset SRAM S-1250 (778g)
cassette Shimano slx 11-34 (345g)
Shimano SLX shifters
RD Shimano XT Shadow Plus
FD SRAM X7
chain KMC X10
wheelset ROVAL 29 (2170g)
brakes shimano xt
rotors magura Storm SL rotors (180\160)
tyres Fast Trak Control rear, the captain control front
joe's tubeless kit
handlebar Specialized XC flat 640mm
stem specialized XC 100mm (117g)
seatpost Specialized Comp carbon (230g)
saddle aliexpress toupe (96g)
specialized rib cage *2 (72g)
pedals shimano m540 (352g)

weight: 11.38

today I had the first national race for the seeson and at the middle of the race I fell and my QR got hit by a rock and twisted on the drive side, after about a km the QR opened and I didnt noticed it. the wheel didnt sit well at it place, I felt that somthing is wrong and that the rotor is rubing the caliper, but I kept on. at the end of the lap, the wheel was really out of it place and the chain fell beetwen the cassete and the spokes,I stoped to fix it and found out that the rotor and the QR are crooked, I tried to fix it, but it took me about five minutes to do it and everyone passed me while I did it, after I fixed it I rode another lap and than went to the bicycle shop to fix my bike and get it ready for the race I have tomorow (another national race). at the bicycle shop I switched the broken QR for a heavy Santa Cruz one. I think that even if I try to brake this QR I coudn't do it haha

_________________
s-works aluminium 29er:
viewtopic.php?f=10&t=124082&p=1056543#p1056543

Cannondale Slice, specialized tarmac sl4 pro:
viewtopic.php?f=10&t=122259

Nice bike.
There are plenty of ways to lighten it up if you feel like it.
The heaviest parts on the bike are the wheels and crankset. Save up and get an S Works crankset, find a deal on some wheels, run it 1x10 if you can, and you will probably knock 1kg off that weight.

thank you .
maybe I will buy some chinese carbon wheels and canondale crankset to shave the weight of the bike in the future.
for now I will stay with the bike as is, becouse I dont want to switch parts and do somthing wrong that will get me a DNF for technical problems...
this month I have a lot of races, maybe after it I will try to shave some weight of the bike...

this morning I had a national race (c1 level) and I got to the 10 place. the bike works really well and even if it's not stiff like the carbon frame I had, I didn't lose too much power becouse of the flex
but I can feel the difference in the weight...

_________________
s-works aluminium 29er:
viewtopic.php?f=10&t=124082&p=1056543#p1056543

Cannondale Slice, specialized tarmac sl4 pro:
viewtopic.php?f=10&t=122259

Here is my 2012 Stumpjumper Evo, it is now a 2013 frame as I cracked the old one, but haven't taken a picture of the new build yet.

In that picture I believe it was right at 9.1 kg.
The aluminum frames are great, my bike wasn't slowing me down any in the races I was doing last year.
Good luck with your upcoming races.

thank you

wow, that's an awsome bike!!! and very nice weight . do you have a buildlist?
is the "evo" frame the same as the comp?

_________________
s-works aluminium 29er:
viewtopic.php?f=10&t=124082&p=1056543#p1056543

Cannondale Slice, specialized tarmac sl4 pro:
viewtopic.php?f=10&t=122259

Build list without weights
Medium SJ Evo frame
Rockshox SID World Cup
Enve Sweep bar
Zipp Service Course SL -17 stem
New Ultimate carbon post
Specialized Romin Evo Pro
XX1 group set - BB30, trigger shifter, 32t front
ESI chunkies
Enve XC wheels - with DT 36t upgrade
Rocket Ron 2.25, Specialized Renegade 1.95 rear (pictured with 2.25 Racing Ralph)
Magura MT2 with 160/140 Storm SL rotors
Crank brothers egg beater 11ti

I think that's it. The Evo frame appears to be the same as your S Works frame and the comp.

Looks nice! Never seen the aluminum S-works. I'm guessing this isn't imported into the US. And congratulations on building your first bike!

Also, just FYI, but I'm pretty sure that's a SLX cassette. Based on the color of the cassette, it appears only 3 cogs are on a spider, whereas an XT has 6. The XT also has an aluminum lockring (yours is steel). An 11-36 XT cassette weighs around 335g as well. Not a huge deal, but if it was sold to you as an XT cassette at the regular price of an XT cassette, I would definitely be contacting them.

thank you very much!
you right, I checked the cassette model and it is HG-81, I didn't know this was the slx model and the guy told me that it is xt....
I did buy it at a good deal, but I guess I'm smarter now ... thank you for telling me



that's a really nice bike!! I dont think mine will be anywhere near this one I'm sure you enjoy riding it

_________________
s-works aluminium 29er:
viewtopic.php?f=10&t=124082&p=1056543#p1056543

Cannondale Slice, specialized tarmac sl4 pro:
viewtopic.php?f=10&t=122259