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 Post subject: Bike for XCM racing
PostPosted: Tue Jul 03, 2012 1:24 pm 
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Joined: Sat Jan 03, 2009 9:43 pm
Posts: 2922
Location: Canada
First off, its my first year racing MTB. I race XCO and XCM events. Here in Eastern Canada, the trails are quite bumpy, technical with roots and rocks. It rarely flows smoothly without obstacle.

For XCO, I use my rocky mountain vertex 26in, its light and I love it. It climbs like a rocket and the descending in XCO races is manageable on a hardtail IMO, even if I go a bit slow on descents (need more experience!)

For XCM, I use the same bike, and I think its an issue. Last week-end, I did a 80km XCM race which involved a bit of single tracks, double tracks and not much smooth gravel road. It was super bumpy and I got beaten up BIG TIME by my bike. I was so pissed to watch people riding their 29er FS or 26 FS over roots and keeping pedaling while I had to clear the rough stuff and start pedaling after having cleared it. I even saw a girl passing me on a descent on her 29 FS, like she was floating over the rocks!!! (DISCLAIMER: im not the best/fastest descender but im not bad either)

The day after the race, I was toasted, every part of my body was sore. I somehow came to the conclusion a 26in hardtail isnt made for XCM racing. Since then, im thinking about building a 26in FS bike, on which I could use my existing sets of 26in wheels.

What do you guys think?
-should I MTFU and keep racing the XCM events on my Vertex? (0)
-should I build a 26in FS? ($$$)
-should I build a 29er hardtail? ($$)
-should I build a 29er FS? ($$$$)


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 Post subject: Bike for XCM racing
Posted: Tue Jul 03, 2012 1:24 pm 


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 Post subject: Bike for XCM racing
PostPosted: Tue Jul 03, 2012 2:14 pm 
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Joined: Tue Jul 12, 2011 4:41 am
Posts: 31
Bite the bullet and build up a fs 29er. I have really liked my Tallboy, and am now building up a long travel Tallboy. I won sea otter cat 2 on the Tallboy against a lot of hardtail riders....was able to pedal over stuff they couldn't.


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 Post subject: Re: Bike for XCM racing
PostPosted: Tue Jul 03, 2012 2:33 pm 
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Joined: Mon Jul 11, 2011 11:06 am
Posts: 204
Location: North Adelaide, South Australia
Firstly, could I ascertain if you have any room to move on the equipment front, i.e. going to 2.35-2.5 tyres as well as lowering pressure has big effects on comfort.

Secondly, 4 + hour marathons are hard on your shoulders whatever bike you ride, period. :)

Getting a FS 26er frame would obviously be convenient, but not necessarily the best XCM option.

I ride a HT 29er so I'm clearly biast, but I think bikes like the Scott Spark and Cannondale Scalpel are the ultimate XCM weapons given their comfort and ability to get to insane weights. Downside to 29er FS is that they are really expensive.

_________________
Norwood & Adelaide Uni CC


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 Post subject: Re: Bike for XCM racing
PostPosted: Tue Jul 03, 2012 3:49 pm 
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Joined: Sat Jan 03, 2009 9:43 pm
Posts: 2922
Location: Canada
thanks for replying

I ride some maxxis Ikon 2.2 tubeless.

I found a Kona hei hei scandium frame. But im really not sure what option to go between everything I listed. Or even simply getting a comfy saddle and keep my 26in HT...


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 Post subject: Re: Bike for XCM racing
PostPosted: Tue Jul 03, 2012 3:59 pm 
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Joined: Fri Oct 14, 2011 4:36 am
Posts: 92
Seeing as you have the 26" wheels, I would build a Scott Spark RC 26". Mine with a wide handlebar & 2 x 9 gearing weighs 18.45 LBS.


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 Post subject: Re: Bike for XCM racing
PostPosted: Tue Jul 03, 2012 4:30 pm 
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Joined: Sat Jan 03, 2009 9:43 pm
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Location: Canada
its not really a matter of weight concern. More a matter of making the right choice between the listed options. I am leaning toward a 26 FS but would it make a noticeable difference?


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 Post subject: Re: Bike for XCM racing
Posted: Tue Jul 03, 2012 4:30 pm 


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 Post subject: Re: Bike for XCM racing
PostPosted: Tue Jul 03, 2012 9:38 pm 
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Joined: Thu Jan 13, 2011 4:04 pm
Posts: 510
Location: Sunny UK
devinci wrote:
I am leaning toward a 26 FS but would it make a noticeable difference?


FS definitely makes difference - on a hardtail you would, well, this is how I ride, stand off the saddle so that your legs, which incidentaly are very good shock absorbers, absorb the bumps - down side is it that is uses energy. An FS will allow you to sit in the saddle over the bumps or at the very least reduce the aount of stnainding you do thus saving energy for pedalling.


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