650b Col De Vie
10-07-12, 09:03 AM
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650b Col De Vie
I just got them last month
My last tires were Mitsuboishi 650b , an old Japanese tire.
They were good and I ran them at 75 psi
But I am running the Col De Vie's at maximum and they are so soft , I think 40 psi or so
Tried running them at higher pressure 65psi and now have a leak
Should I try another brand of 650b or change over to 700c 28mm or 32mm or 27x1 1/4 ?
I went hill climbing today(havent done that since I was 18, over 30 years ago
The Col De Vie were so slow but I switched to my son's bike with 700c 28mm Vittoria Randonneur and it was alot easier , even though his gearing 52/42 is higher than mine with a triple
BTW I am old and grossly overweight
Any suggestions?
Thanks
Robert VanLane
Aomori Japan
My last tires were Mitsuboishi 650b , an old Japanese tire.
They were good and I ran them at 75 psi
But I am running the Col De Vie's at maximum and they are so soft , I think 40 psi or so
Tried running them at higher pressure 65psi and now have a leak
Should I try another brand of 650b or change over to 700c 28mm or 32mm or 27x1 1/4 ?
I went hill climbing today(havent done that since I was 18, over 30 years ago
The Col De Vie were so slow but I switched to my son's bike with 700c 28mm Vittoria Randonneur and it was alot easier , even though his gearing 52/42 is higher than mine with a triple
BTW I am old and grossly overweight
Any suggestions?
Thanks
Robert VanLane
Aomori Japan
10-07-12, 09:30 AM
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I'm a big guy (110kg) and tried running my CdlV's at 65 PSI...about 20 minutes after I got back from a ride, bike is hanging in the garage, and I hear a bang...tire failed at the bead. I just don't think they're very good tires.
Have you looked at Grand Bois tires? I believe they were originally designed/contracted to Panasonic by a Japanese bike shop, and are also available in the US via Compass Cycles.
Have you looked at Grand Bois tires? I believe they were originally designed/contracted to Panasonic by a Japanese bike shop, and are also available in the US via Compass Cycles.
10-07-12, 10:11 AM
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The benefit of 650b is a big tire with volume that you can safely run at lower PSI for improved ride. I am 250lbs and don't run more than 50-55PSI. I had CdV on a bike when I first built my 650b conversion. I loved the cushion, but felt the tire tread didn't inspire confidence in its cornering at speed. I pulled them off fairly quickly and replaced those with Soma's B-Line 650b x 38mm tires instead. The B-Lines are nice and are just a 650b version of a Panaracer Pasela. I built another 650b bike and put Gran Bois Hetre's on that and absolutely love those tires.
10-07-12, 10:19 AM
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Yes the Grand Bois tires are available from the Grand Bois shop
Do you know what the max tire pressure is?
If the tire pressure is high I will order a set
My other road bike has 27x1 1/4 and I like that one but i still need to order a higher stem and the new Brooks has to be broken in but my 650b has mountain gearing which is so nice
Do you know what the max tire pressure is?
If the tire pressure is high I will order a set
My other road bike has 27x1 1/4 and I like that one but i still need to order a higher stem and the new Brooks has to be broken in but my 650b has mountain gearing which is so nice
10-08-12, 07:36 AM
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rvl, I'm impressed you use such a term for yourself.
And maybe they are not the ideal tire for heavy riders. Or maybe finding the ideal pressure is tricky.
And maybe they are not the ideal tire for heavy riders. Or maybe finding the ideal pressure is tricky.
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10-08-12, 08:00 AM
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The max pressure is 75PSI... but I routinely run mine at 85PSI when I want to get a tiny contact patch and stellar performance. That bike flies with Hetres at 85PSI and corners like it's on rails but it still rides cushy.
10-08-12, 11:00 AM
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10-08-12, 02:17 PM
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No one cares
i've been commuting on my cdv's maybe 20-30 miles a week for 9 months now.
i'm 6'3" 240 or so. I run them anywhere from 85psi to 35 psi. no problems. I did rip the sidewall on one back east on a gravel trail. it was trash. I immediately bought another and never had any issues. I'm not sure i've even ever flatted with them.
i'm 6'3" 240 or so. I run them anywhere from 85psi to 35 psi. no problems. I did rip the sidewall on one back east on a gravel trail. it was trash. I immediately bought another and never had any issues. I'm not sure i've even ever flatted with them.
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10-08-12, 02:43 PM
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CLDVs are great gravel/dirt tires, but are lacking on the road due to the tread.
Hetres are GREAT road/hard-pack tires. In deep gravel, they don't have enough bite. You will slip quite a bit. I run Hetres on Rodriguez, but I don't ride in deep gravel.
Compromise? I'd probably go with the Somas.
Hetres are GREAT road/hard-pack tires. In deep gravel, they don't have enough bite. You will slip quite a bit. I run Hetres on Rodriguez, but I don't ride in deep gravel.
Compromise? I'd probably go with the Somas.
10-08-12, 02:51 PM
#10
No one cares
CLDVs are great gravel/dirt tires, but are lacking on the road due to the tread.
Hetres are GREAT road/hard-pack tires. In deep gravel, they don't have enough bite. You will slip quite a bit. I run Hetres on Rodriguez, but I don't ride in deep gravel.
Compromise? I'd probably go with the Somas.
Hetres are GREAT road/hard-pack tires. In deep gravel, they don't have enough bite. You will slip quite a bit. I run Hetres on Rodriguez, but I don't ride in deep gravel.
Compromise? I'd probably go with the Somas.
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10-08-12, 04:00 PM
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Compared with any other tire without positive tread, I wouldn't call them "good". Maybe great was too strong of a word for their offroad performance. Since 650B revolves around Hetres, I use the Hetres as a standard and base everything in relation to them. If you are running hetres in variable terrain, you will think the CLDVs are much better...
10-08-12, 05:20 PM
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Great info guys
I will put another tube in the rear CDLV and try them at 75psi-85psi
And order some GrandBois and try them out
I rode yesterday with some new 27x1 1/4 Pasela's and they rode much faster but I had a problem with chain skip
Only have another 8 weekends until the season ends and we are bombarded by mountains of snow
Thanks
Robert VanLane
I will put another tube in the rear CDLV and try them at 75psi-85psi
And order some GrandBois and try them out
I rode yesterday with some new 27x1 1/4 Pasela's and they rode much faster but I had a problem with chain skip
Only have another 8 weekends until the season ends and we are bombarded by mountains of snow
Thanks
Robert VanLane
10-08-12, 08:56 PM
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Show us your bike, Rvl. What are you hiding? An Alps? A Toei?
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10-09-12, 08:12 AM
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What about the Fatty Rumpkin that Rivendell sells? They're Hetre wide, but have a negative tread to them.
10-09-12, 08:43 AM
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