TT gear
12-07-05, 11:41 PM
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TT gear
Well I have a couple of TT gear questions.
A tri bike, will it work for TT?
What other gear will I need? I'm already getting the helmet, the disc and a tri spoke, any thing else?
Skin suit that much different from a tri suit?
A tri bike, will it work for TT?
What other gear will I need? I'm already getting the helmet, the disc and a tri spoke, any thing else?
Skin suit that much different from a tri suit?
12-08-05, 07:49 AM
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Bikes designed specifically for triathlon don't have to be UCI legal. In the near future the USCF is requiring bikes to meet UCI regs. The main things that come into play are 1) the bike has to be a traditional diamond frame (thus no bikes like softrides) 2) the saddle has to be 5cm behind the BB.
A lot of bike used by triathletes comply with these regs and are UCI legal (e.g. Cervelo P3). A practical difference is geometry preferences. Traithletes like to have an upright seat tube angle (often 76-78 dgrees) the thought being this facilitates getting in the aero position with less hip articulation, and thus making the run bike transition easier.
Road riders doing a TT in a stage race traditionally have prefered geometry closer to a road bike. The thought being that staying on abike with geometry like , or close to, what you're used to helps power output. Although I think you're seeing TT bikes with geometry more like tri bikes.
Personally I ride a Griffen Vulcan with a 76 degree seat tube, for both triathlons and USCF TT's.
As for trisuits, they're somewhat like a skin suit, but they have thinner chamois, and are designed to be swum in. A trisuit would probably be more aero than a bike jersey, but if you're purpose is to tt as fast as possible I'd get a skin suit designed for biking.
If you want to do tri's also a trisuit would work ok for both tris and TT's
A lot of bike used by triathletes comply with these regs and are UCI legal (e.g. Cervelo P3). A practical difference is geometry preferences. Traithletes like to have an upright seat tube angle (often 76-78 dgrees) the thought being this facilitates getting in the aero position with less hip articulation, and thus making the run bike transition easier.
Road riders doing a TT in a stage race traditionally have prefered geometry closer to a road bike. The thought being that staying on abike with geometry like , or close to, what you're used to helps power output. Although I think you're seeing TT bikes with geometry more like tri bikes.
Personally I ride a Griffen Vulcan with a 76 degree seat tube, for both triathlons and USCF TT's.
As for trisuits, they're somewhat like a skin suit, but they have thinner chamois, and are designed to be swum in. A trisuit would probably be more aero than a bike jersey, but if you're purpose is to tt as fast as possible I'd get a skin suit designed for biking.
If you want to do tri's also a trisuit would work ok for both tris and TT's
Last edited by merlinextraligh; 12-08-05 at 08:00 AM.
12-08-05, 12:04 PM
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Originally Posted by merlinextraligh
Bikes designed specifically for triathlon don't have to be UCI legal. In the near future the USCF is requiring bikes to meet UCI regs. The main things that come into play are 1) the bike has to be a traditional diamond frame (thus no bikes like softrides) 2) the saddle has to be 5cm behind the BB.
A lot of bike used by triathletes comply with these regs and are UCI legal (e.g. Cervelo P3). A practical difference is geometry preferences. Traithletes like to have an upright seat tube angle (often 76-78 dgrees) the thought being this facilitates getting in the aero position with less hip articulation, and thus making the run bike transition easier.
Road riders doing a TT in a stage race traditionally have prefered geometry closer to a road bike. The thought being that staying on abike with geometry like , or close to, what you're used to helps power output. Although I think you're seeing TT bikes with geometry more like tri bikes.
Personally I ride a Griffen Vulcan with a 76 degree seat tube, for both triathlons and USCF TT's.
As for trisuits, they're somewhat like a skin suit, but they have thinner chamois, and are designed to be swum in. A trisuit would probably be more aero than a bike jersey, but if you're purpose is to tt as fast as possible I'd get a skin suit designed for biking.
If you want to do tri's also a trisuit would work ok for both tris and TT's
A lot of bike used by triathletes comply with these regs and are UCI legal (e.g. Cervelo P3). A practical difference is geometry preferences. Traithletes like to have an upright seat tube angle (often 76-78 dgrees) the thought being this facilitates getting in the aero position with less hip articulation, and thus making the run bike transition easier.
Road riders doing a TT in a stage race traditionally have prefered geometry closer to a road bike. The thought being that staying on abike with geometry like , or close to, what you're used to helps power output. Although I think you're seeing TT bikes with geometry more like tri bikes.
Personally I ride a Griffen Vulcan with a 76 degree seat tube, for both triathlons and USCF TT's.
As for trisuits, they're somewhat like a skin suit, but they have thinner chamois, and are designed to be swum in. A trisuit would probably be more aero than a bike jersey, but if you're purpose is to tt as fast as possible I'd get a skin suit designed for biking.
If you want to do tri's also a trisuit would work ok for both tris and TT's
So a Specialized Tranisiton Comp would work for both tris and TT? It, as far as I can tell is UCI Legal, and if I'm already used to cranking out power on a tri bike, riding it in a TT would be alright?
12-08-05, 12:11 PM
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Originally Posted by Elvish Legion
Skin suit that much different from a tri suit?
The Specialized Transition bikes meet the UCI double diamond frame design restriction but at a 76deg seat tube angle, it may put the saddle too far forward to meet the 5cm behind BB rule, especially if your saddle height is below about 30 inches.
Last edited by Gonzo Bob; 12-08-05 at 12:19 PM.
12-08-05, 12:56 PM
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Originally Posted by Gonzo Bob
USA Cycling requires that you wear sleeves and most tri-suits are sleeveless. DeSoto made a short-sleeved tri-suit once but I don't think they make it anymore.
The Specialized Transition bikes meet the UCI double diamond frame design restriction but at a 76deg seat tube angle, it may put the saddle too far forward to meet the 5cm behind BB rule, especially if your saddle height is below about 30 inches.
The Specialized Transition bikes meet the UCI double diamond frame design restriction but at a 76deg seat tube angle, it may put the saddle too far forward to meet the 5cm behind BB rule, especially if your saddle height is below about 30 inches.
good point on the sleeves. I'm pretty sure you can get the seat 5cm back on the Specialized. A cervelo P3 has similar geometry and they make a point of it being UCI legal. It may be a question of how much set back you have on the seat post, and pushing the seat back on the rails.
12-08-05, 02:53 PM
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Mild threadjack -
If I was Darth Vader, I'd ride this:
I saw one at the LBS last weekend. Makes you want to do TTs.
Plus you can set the seat back for a more relaxed / UCI compliant fit if need be.
If I was Darth Vader, I'd ride this:
I saw one at the LBS last weekend. Makes you want to do TTs.
Plus you can set the seat back for a more relaxed / UCI compliant fit if need be.
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12-08-05, 03:06 PM
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Look for skin suits, though they are pretty pricy. Cervelo makes some but I can't seem to find them anywhere.
Personally, I would get a long sleeve skinsuit and wear lycra booties. If I can find a skinsuit for a good price, I may grab one but getting a TT bike doesn't seem too cost effective since I would only use it once or twice a year.
Personally, I would get a long sleeve skinsuit and wear lycra booties. If I can find a skinsuit for a good price, I may grab one but getting a TT bike doesn't seem too cost effective since I would only use it once or twice a year.
12-08-05, 03:16 PM
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“Courage is going from failure to failure without losing enthusiasm." (Churchill)
"I am a courageous cyclist." (SpongeDad)
“Courage is going from failure to failure without losing enthusiasm." (Churchill)
"I am a courageous cyclist." (SpongeDad)
12-08-05, 04:06 PM
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According to Specailzied
Hey Jonathon,
The stock Transition meets UCI's rules.
Tailwinds, Scott
The stock Transition meets UCI's rules.
Tailwinds, Scott
