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Author Topic: Craig's .057  (Read 30695 times)

Patrick C.

Re: Craig's .057
« Reply #60 on: July 31, 2015, 03:00:21 PM »
My tires tend to feel squirmy if I get below 25 psi- I rode the other day for the first time in over a week and forgot to air up the tires.  Afterward both tires were 20 - 22 psi.  They felt better going over roots and rocks, but were definitely not as hooked up in the corners. 

I'm 200 pounds plus water and gear, so if you're lighter you may be able to go lower.  This is on an -057 with Conti X King 2.4  on the 30 mm carbon fiber rims, usually inflated to 28 psi up front and 30 psi in the rear
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Carbon_Dude

Re: Craig's .057
« Reply #61 on: July 31, 2015, 08:00:51 PM »
Quote from: Patrick C. on July 31, 2015, 03:00:21 PM
My tires tend to feel squirmy if I get below 25 psi- I rode the other day for the first time in over a week and forgot to air up the tires.  Afterward both tires were 20 - 22 psi.  They felt better going over roots and rocks, but were definitely not as hooked up in the corners. 

I'm 200 pounds plus water and gear, so if you're lighter you may be able to go lower.  This is on an -057 with Conti X King 2.4  on the 30 mm carbon fiber rims, usually inflated to 28 psi up front and 30 psi in the rear

That's been my experience as well.  I tend to like about 28psi or so, less than 25psi just doesn't feel good.  Conti X-kings as well but I can say the same thing for my Geax Sugauro's as well.
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2019 Stumpjumper Expert 29/27.5+
2017 Santa Cruz Stigmata
2017 Trek Stache 9.8 (29+)
2016 Specialized Stumpjumper FSR Carbon Comp 6Fattie (27.5+) (Sold)
2016 Trek Stache 9 (29+) w/upgrades (Sold)
2014 -036 Full Suspension Chiner (Sold)
2013 -057 Hardtail Carbon Chiner (Sold)
Atlanta, GA

trekcarbonboy

Re: Craig's .057
« Reply #62 on: August 01, 2015, 09:07:27 PM »
Thanks for the info. I'm thinking its the seat. Rear tire feels good at 25lbs.

Killing it on this new bike! PR'd the crap out of my local trail. 23 pr's and 1 4th overall.





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cmh

Re: Craig's .057
« Reply #63 on: August 03, 2015, 09:57:01 AM »
Quote from: trekcarbonboy on August 01, 2015, 09:07:27 PM
Thanks for the info. I'm thinking its the seat. Rear tire feels good at 25lbs.

Killing it on this new bike! PR'd the crap out of my local trail. 23 pr's and 1 4th overall.


Yeah, and I'm riding with him tomorrow on his home trails. Crap.  ;D
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325racer

Re: Craig's .057
« Reply #64 on: August 03, 2015, 10:47:28 PM »
Don't forget to get a headtube mold!!!
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cmh

Re: Craig's .057
« Reply #65 on: August 11, 2015, 09:47:42 AM »
Quote from: 325racer on August 03, 2015, 10:47:28 PM
Don't forget to get a headtube mold!!!

Didn't get a chance - got a chance to see how fast the bike was first hand, though. ;)
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trekcarbonboy

Re: Craig's .057
« Reply #66 on: August 25, 2015, 01:14:48 PM »
157.3 miles on this bike and I think I damaged my rim today. I wasn't even on the rocky section of my local trail. I was running it at 25lbs and never felt any rim strike.
I hope it's just the clear coat but I can feel a bump. I'll pull the tire tonight and maybe sand down the clear coat to inspect it better.



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Carbon_Dude

Re: Craig's .057
« Reply #67 on: August 25, 2015, 09:29:50 PM »
By the pictures, it appears you have cracked a bit more than the gloss topcoat.
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2019 Stumpjumper Expert 29/27.5+
2017 Santa Cruz Stigmata
2017 Trek Stache 9.8 (29+)
2016 Specialized Stumpjumper FSR Carbon Comp 6Fattie (27.5+) (Sold)
2016 Trek Stache 9 (29+) w/upgrades (Sold)
2014 -036 Full Suspension Chiner (Sold)
2013 -057 Hardtail Carbon Chiner (Sold)
Atlanta, GA

trekcarbonboy

Re: Craig's .057
« Reply #68 on: August 26, 2015, 10:29:28 AM »
Yeah, I pulled the tire last night and it's definitely not just the paint. I sent the pictures to Peter and he is contacting the factory to see how we will proceed.
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Vipassana

Re: Craig's .057
« Reply #69 on: August 26, 2015, 03:54:51 PM »
Were those hooked or hookless rims?  From what I understand the hookless was created to try to avoid this exact failure mode.
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Carbon_Dude

Re: Craig's .057
« Reply #70 on: August 26, 2015, 09:04:07 PM »
Quote from: Vipassana on August 26, 2015, 03:54:51 PM
Were those hooked or hookless rims?  From what I understand the hookless was created to try to avoid this exact failure mode.

I would agree, the more uniform side walls of the hookless wheels should be a bit thicker and stronger.
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2019 Stumpjumper Expert 29/27.5+
2017 Santa Cruz Stigmata
2017 Trek Stache 9.8 (29+)
2016 Specialized Stumpjumper FSR Carbon Comp 6Fattie (27.5+) (Sold)
2016 Trek Stache 9 (29+) w/upgrades (Sold)
2014 -036 Full Suspension Chiner (Sold)
2013 -057 Hardtail Carbon Chiner (Sold)
Atlanta, GA

cmh

Re: Craig's .057
« Reply #71 on: August 26, 2015, 10:02:54 PM »
His build spec says the HR930C wheels which are hookless.

That really sucks, sorry to see that. Interested to hear how this goes for you - with the death of my 036 project I'm considering a carbon wheel build off my American Classic hubs, and Peter's got some very interesting new asym rims. The ones that I won are on hold for now as all my spare bike play money just got tied up in an Epic way. :)
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trekcarbonboy

Re: Craig's .057
« Reply #72 on: September 15, 2015, 08:33:15 AM »
I just received my family crest headtube badge, and I am quite pleased. Had it done by InsigniaWorks on Etsy. I just supplied the art file.
It's done with an acid etching process that is quite easy to do. I may even try to do it myself next time.



Also my new rim is on the way. Just had to split the shipping with Peter. Very happy with that!!!
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325racer

Re: Craig's .057
« Reply #73 on: September 16, 2015, 03:40:35 PM »
How's the fitment of the headbadge??  Looks like just a straight curve, vs the compound curves on the 057 headtube.
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cmh

Re: Craig's .057
« Reply #74 on: September 16, 2015, 05:34:49 PM »
Quote from: trekcarbonboy on September 15, 2015, 08:33:15 AM
I just received my family crest headtube badge, and I am quite pleased. Had it done by InsigniaWorks on Etsy. I just supplied the art file.
It's done with an acid etching process that is quite easy to do. I may even try to do it myself next time.



Looks great! If you wanted to do something like that but step it up with different metals (brass, copper, silver, etc) or enamel, you should check out some of the stuff Jen Green's been doing lately.

Looking forward to seeing it installed!
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