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Building a tri-bike from scratch

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Old 09-02-12, 01:09 AM
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Building a tri-bike from scratch

I'm starting a project building a tri-bike from scratch. I managed to pick up a sweet 66cm frame that originally came off of one of these:

https://www.bikepedia.com/QuickBike/B...e#.UELi8MGPVi0



I got the frame and tri-bars for $150, which I feel like was a steal. Since I got such a good deal on the frame I would like to try to make this into a tri bike that would hold some value should I want to sell it, without breaking the bank of course. I'm willing to do it one piece at a time if that's what it takes.

I do have some questions.

1. What components would be different on a tri-bike as opposed to a standard road bike?

2. Does this frame limit the components I can buy in any way?

3. What special tools will I need to pull this off?

4. What sort of level should I aim for as far as my wheelset, crankset, and component group in order to match the level of the frame in order to build a bike that will actually be worth something once I'm done.

Any other advice would be great as well. If this thread is mis-categorized and belongs in the bike mechanics forum please let me know.

I will post pics and updates as I go along in this thread. Wish me luck.
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Old 09-12-12, 09:09 PM
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1. Rather than road STI shifters a TT bike will usually have bar end shifters on the aerobars and TT brake levers on the bullhorns. But you can use STI shifters on bullhorns too.

2. I imagine that the newer bottom bracket standards are incompatible with that frame but that is absolutely no problem whatsoever.

3. Various specific tools are needed to build up a bike, Google is your friend.

4. Component wise, I'm not a gruppo snob. Other than a minimal weight penalty there's little reason to throw money at the drivetrain. 10-speed won't make you faster than 8-speed.
As a solo rider I would always recommend a 50/34 or 50/36 compact crankset.
If you're serious about a fast wheelset, check locally for a secondhand deep front wheel or trispoke, and just use a wheelcover (Aerojacket) on any rear wheel. Latex inner tubes & fast(er) tyres will make a big difference.

Take your time gathering components together and wait for good deals. It is unlikely your efforts will result in an end profit if you sell on a complete bike.

Good luck!
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Old 09-13-12, 09:25 AM
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66 cm?!?!?!? You must be 7' tall!

Did you mean 56 cm? The bikepedia entry indicates 62 cm was the largest frame, at least based on that data.
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Old 09-13-12, 07:27 PM
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Originally Posted by Barchettaman
As a solo rider I would always recommend a 50/34 or 50/36 compact crankset.

The Bikepedia indicates it is a 650C wheeled bike. Since they are about 8% smaller than 700C, I recommend sticking with standard 53/39 crankset.
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Old 09-14-12, 08:47 AM
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Good point.
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