Chinese Carbon 26er!

Discuss light weight issues concerning mountain bikes & parts.

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by Weenie


Elstorma
Posts: 38
Joined: Fri Mar 30, 2012 10:57 am

by Elstorma

okies, had my first ride on this baby over the weekend.

had no problems with the frame, it was stiff and responsive to accelerations,
absorbed road/tire knob and other small vibrations well.

one set-up issue i encountered...
i'm running this as a 1x10 (36 hope single speed front and 11-36 xt cassette on american classics)
when on the 36t at the rear... the chain started protesting...
even threatened to jump off.... well, it actually did a couple of times...

is this something that will wear in(ie due to the s/s chainring tooth being overly edgy), or is there something wrong with my chainline?

backflat
Posts: 111
Joined: Sat Jan 15, 2011 5:13 am

by backflat

do you add a front chain guide to avoid dropping the chain ?

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robncircus
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Joined: Tue Aug 05, 2008 6:14 am
Location: Sunny Santa Monica, CA

by robncircus

Looks great! Might need to pick one up for a racebike when I get home. Thanks for sharing.
Brewer McFadden says "Everyday should be the best day ever"

fat tire
Posts: 354
Joined: Wed Mar 19, 2008 6:54 pm

by fat tire

You need a chain guide. Spend the extra and get one that goes on the downtube not the bb type. You will drop the chain off the chainring, and you will damage your frame.

I bought the E.13 and it works really well.

Elstorma
Posts: 38
Joined: Fri Mar 30, 2012 10:57 am

by Elstorma

yea... tot as much...
ended up fixing on the superstar guide that i had gotten earlier...

took it off the earlier set-up as i thought that the xtr985 rear d would provide sufficient chain security... and so left it off to keep the clean look of the single chainring... and save an additional 68grams...error in judgement on my part...

will give it another run on this new set-up this weekend...
looks promising so far...
on the workstand, the 36/36 combi has some chain chatter, but overall, the whole chainline seems to be a tad smoother... hmm...

will update this as it goes...

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chucklight
Posts: 35
Joined: Tue Feb 28, 2012 6:47 am
Location: Liverpool

by chucklight

xsteel wrote:
Liggero wrote:I love these cheap chinese frames. great quality and no ugly stickers.


great quality for cheap chinese frames?? :))



I agree.
Do you really know the quality? I'm always a little cautious when using major manufacturers carbon fibre products, I think I'd be in fear during every ride.
Bike: 2012 Boardman HT Pro MTB - 21.838lbs / 9.906kg (for now...)

joeyruan
in the industry
Posts: 58
Joined: Thu May 17, 2012 7:38 am

by joeyruan

chucklight wrote:
xsteel wrote:
Liggero wrote:I love these cheap chinese frames. great quality and no ugly stickers.


great quality for cheap chinese frames?? :))



I agree.
Do you really know the quality? I'm always a little cautious when using major manufacturers carbon fibre products, I think I'd be in fear during every ride.


Didn't you see he said is great quality? :!:

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2002maniac
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Joined: Wed Mar 28, 2012 3:16 pm
Location: Utah, USA
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by 2002maniac

Have you measured the chain line? The cahin should not want to jump off. maybe double check the limit afjustment of the RD as well.

Elstorma
Posts: 38
Joined: Fri Mar 30, 2012 10:57 am

by Elstorma

Build list:

Frame: OEM China Carbon frame @ 1125g
Fork: xfusion velvet rl @ 1682g <<<<<<< might swap over to the DT EXC130... may not have any weight savings... hmm..
Headset: Mortop HI 65 @ 66g
Stem: Kore carbon race 6061 @ 117g
spacer: mt zoom splined carbon spacers @ 6g
Handlebars: Easton Monkeylight SL @ 161g
Grips: Titec pluto @ 18g
Brakes: Magura MT2 with Hope Floating Disc @ 685g total
r b adapter: xtr 160 @ 15g
Shifters: XT @ 142g
cable housing: shimano stock @ 59 g
Chain guide: Superstar @ 68 gms <<<<<<< looking to lose some weight here
R derailleur: Shimano XTR 985 @ 178g
Cassette: xt 11-36 @ 336g <<<<<<< looking to lose some weight here... XX maybe.. 208g?
Chain: KMC x10 sl titanium @ around 240g
Saddle : SLR @ 153g <<<<<<< looking to lose some weight here... maybe strip the cover.. maybe 113 g?
seatpost: USE ALIEN @ 180g <<<<<<< looking to lose some weight here... token carbon maybe.. 150g?
Seatpostclamp: carbon oem @ 10g
Crankset: FSA K-force light + Hope 36t ss rings @ around 569g
BB: TOKEN ceramic bb @ 95g
QR rear: superstar @ 20g
Wheels: am classic hubs and rims, sapim laser spokes w no tubes tape, @ 1400g
Tubes: conti light mtb @ 260g
Tires: conti speedkings 2.3 @ 850g total
-----
Pedals: xtr 970 @ 322g

Elstorma
Posts: 38
Joined: Fri Mar 30, 2012 10:57 am

by Elstorma

updated tweak list... :lol:

Frame: (OEM:China) FM-016 Carbon frame @ 1125g
Fork: DT XMC 130 @ 1750g incl starnut (11gm) and qr15 skewer (75gm)
Headset: Mortop HI 65 @ 66g
Stem: SYNTACE F109 75mm @ 105g
spacer: mt zoom splined carbon spacers @ 6g
Handlebars: MT ZOOM wide flat carbon @ 112g
Grips: ESI Racers edge @ 28g
Brakes: Magura MT2 with Hope Floating Disc @ 685g total
r b adapter: xtr 160 @ 15g
Shifters: XT @ 142g
cable housing: shimano stock @ 59 g
/Chain guide: Helium Components c guide @ 18 gms
R derailleur: Shimano XTR 985 @ 178g
Cassette: xx 11-36 @ 210g - incl xtr lockring
Chain: KMC x10 sl titanium @ around 240g
Saddle : SLR tuned @ 118g
seatpost: EC90 tuned @ 150g
Seatpostclamp: carbon oem @ 10g
Crankset: FSA K-force light + Hope 36t ss rings @ around 569g
BB: TOKEN ceramic bb @ 95g
QR rear: superstar @ 20g
Wheels: am classic hubs and rims, sapim laser spokes w no tubes tape, @ 1400g
Tubes: conti light mtb @ 260g
Tires: conti speedkings 2.3 @ 850g total
-----
Pedals: xtr 970 @ 322g

Current weight: 8.64kg / 19.05lbs (ride weight/ 8.32kg without pedals)

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Chain skip issue is gone now! Woot! and have had abit of trail time...
Frame is nice and responsive, the naked SLR is surprisingly no less comfy than with the stock padding and cover...just alil more "slippery"
Will likely be swapping out the rear tyre soon... the speedkings dont do well as a rear...

Any good light tires that weight less than 450g that will do well in the rear to recommend? was considering X king supersonic 2.0....trails i ride range from rooty singletracks, and damp forested trails, not to mention that i usually ride on the roads to get to the trails.
Last edited by Elstorma on Tue Jul 10, 2012 6:32 am, edited 2 times in total.

bm0p700f
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by bm0p700f

X- king supersonic. I have them on a much heavier SS and I like them except for the puncture I got on the tyres first outing on the first corner on the first lap of a race.

Elstorma
Posts: 38
Joined: Fri Mar 30, 2012 10:57 am

by Elstorma

would you happen to have a measurement of the tire volume? (ie installed width and height)
and maybe real weights of the ones you got?

i have seen 1 post of the X king supersonic showing weight falling below 400g...
but no volume comparison....

I dont want to loose too much tire volume from the Speedking 2.3 supersonic(which really is more like a full size 2.1) that i am currently running... i seen posting that the Xking supersonics are as wide as the RaceKing Supersonic 2.0? can anyone verify this?

undecided between the Supersonics and the Racesport version...
would appreciate anyone feedback (volume, weight, handling, etc) from those who have tried both...

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the_marsbar
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Joined: Wed May 13, 2009 5:23 pm
Location: Denmark
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by the_marsbar

Is that a 130 mm fork? Looks strange.

As for tires I highly recommend Rocket Rons (in the PaceStar TLR version). They great in most conditions, except deep mud.

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2002maniac
Posts: 205
Joined: Wed Mar 28, 2012 3:16 pm
Location: Utah, USA
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by 2002maniac

Love it! That bike looks like a lot of fun to ride. And it's nice to look at too. The black/gold theme is awesome. Glad to hear the chain guide is working out. :D

by Weenie


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