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Recreational Cyclocross and Gravelbiking This has to be the most physically intense sport ever invented. It's high speed bicycle racing on a short off road course or riding the off pavement rides on gravel like :The Dirty Kanza". We also have a dedicated Racing forum for the Cyclocross Hard Core Racers.

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Old 06-02-13, 10:54 AM   #1
illusiumd
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What's the largest CC bike I can get?!

The largest CycleCross bike I can find is the Surly Long Haul Trucker -- 64cm. Anyone know of anything close to that? Not sure I can spend *that* much...
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Old 06-02-13, 11:40 AM   #2
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Zinn cycles http://zinncycles.com/Zinn/index.php/archives/5 Lennard is a specialist in building bikes for tall riders.

Good luck the budget market stops at 60cm.

LHT is Touring bike ... a 60, Trek cross rip is a commuter cross bike,
or .. are you actually wanting a cross racing bike to compete?

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Old 06-02-13, 03:17 PM   #3
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Need a tough city commuter bike... tired of riding a MTB on concrete since I moved to the city... but sometimes I do take it back home and get on some park trails...
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Old 06-02-13, 03:49 PM   #4
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Hit The Bike Shops see what they can Get for You. IDK what Brands are sold where you Live..

want to Import a Thorn Frame and fork, From SJS in England?
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Old 06-02-13, 04:09 PM   #5
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The biggest bikes I can find: 2012 Trek 25" FX 7.5 @800 // Surly LHT 64cm @1300
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Old 06-03-13, 10:43 AM   #6
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Gunnar Crosshairs 68cm:

http://gunnarbikes.com/site/bikes/cross-hairs/
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Old 06-21-13, 06:51 PM   #7
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BMC Monstercross now comes in a 65cm.

My 62cm Crosscheck's top tube actually measures closer to 615mm when I measure it--that's pretty darn long.
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Old 06-25-13, 07:53 AM   #8
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Soma double cross in a 62cm size with a 612mm top-tube. http://www.somafab.com/archives/product/double-cross-dc
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Old 06-25-13, 06:12 PM   #9
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Bikesdirect has a 64cm listed on their geometry charts for the motor bacon "fantom" cyclocross framed bikes.
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Old 06-25-13, 06:34 PM   #10
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Interesting thing about the 62cm DC is that it's barely bigger than the 60cm. Since the 60cm has a steeper seat angle, the ETT difference isn't all that great. Look at the wheelbase: only 4mm difference. Since the chainstays and fork rake/length are the same, that's all the top reach difference there is.

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Soma double cross in a 62cm size with a 614mm top-tube. http://www.somafab.com/archives/product/double-cross-dc
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Old 06-26-13, 12:44 PM   #11
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On the DC, both the ETT and actual top tube measurement grow by +1mm between the 60 & 62mm frame size. You wouldnt want for the wheelbase to grow by same amount as the TT, the front-center and wheelbase would get too long for good handeling and ballance. They tried to limit the growth of F-C and wheelbase by slackening the seatube of the larger frame, effectivly shifting the rider saddle and weight distribution backwards. What they probably should have also done is to combine any change of the STA along with progressivly steepening the head tube angle going from small to large sizes, so that this could also be used to control the wheelbase and F-C, without shifting whe rider back further over the rear wheel, messing up weight distribution.
Probably one real limitiation that they were working with for the DC was the available size limitiation for tange prestige tubing. Go any longer on the TT and you probably need to source a stiffer, stronger tubeset to withstand forces of the additional length.
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Old 06-27-13, 07:48 AM   #12
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On the DC, both the ETT and actual top tube measurement grow by +1mm between the 60 & 62mm frame size. You wouldnt want for the wheelbase to grow by same amount as the TT, the front-center and wheelbase would get too long for good handeling and ballance. They tried to limit the growth of F-C and wheelbase by slackening the seatube of the larger frame, effectivly shifting the rider saddle and weight distribution backwards. What they probably should have also done is to combine any change of the STA along with progressivly steepening the head tube angle going from small to large sizes, so that this could also be used to control the wheelbase and F-C, without shifting whe rider back further over the rear wheel, messing up weight distribution.
Probably one real limitiation that they were working with for the DC was the available size limitiation for tange prestige tubing. Go any longer on the TT and you probably need to source a stiffer, stronger tubeset to withstand forces of the additional length.
Yes, I agree about the rigidity of the Tange Prestige tubeset. I had a size 60cm Double Cross and loved the smooth ride quality. I'm 210 lbs and the frame felt rigid on flatter routes at a moderate pace. However, the flex in the frame became an issue while climbing or trying to keep pace above 21 mph for long time periods. I would not recommend this frame for a stronger rider in the 200 lbs or larger range.
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Old 06-27-13, 06:58 PM   #13
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Or for another view on frame stiffness, look here.

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Yes, I agree about the rigidity of the Tange Prestige tubeset. I had a size 60cm Double Cross and loved the smooth ride quality. I'm 210 lbs and the frame felt rigid on flatter routes at a moderate pace. However, the flex in the frame became an issue while climbing or trying to keep pace above 21 mph for long time periods. I would not recommend this frame for a stronger rider in the 200 lbs or larger range.
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Old 06-27-13, 09:02 PM   #14
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Or for another view on frame stiffness, look here.
That was underwhelming.

Larger frames with heavier riders need stiffer tubesets than smaller frames with lighter riders. I might be concerned about an overly stiff frame if the OP was a smaller cyclist on a smaller frame size. However, that is not the case here.
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Last edited by Barrettscv; 06-28-13 at 06:00 AM.
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