Lockdown TT build

GSVBagpuss

GSVBagpuss

GSVBagpuss

Soldato
Joined
11 Jun 2013
Posts
2,632
I’m thinking of filling my weeks inside with an n+1 project. Never ridden a TT bike but why not?!

I think it can be done cheaply with second hand parts if you’re not too fussy about latest and greatest tech. Anyone got any tips or suggestions? I’m thinking 10 speed 105 from a few years ago would be fine. Would my measly 250w manage to turn a 53/39?
 
Thanks all for the comments!

Jonny ///M said:
10 speed parts can be as expensive or more expensive than 11 speed parts.
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Because they are getting rarer? I run 10 speed 105 on my (clearly quite old) road bike and was thinking of doing the same for the TT as it’s been very reliable and I can buy second hand parts to reduce cost and reuse wheels to start with etc. I need to do a mapping of what can be second hand and what I want to be new - crankset new but shifters and brakes can be second hand for example. I’ve found a 105 53/39 crankset for £52 which seems like a bargain

I also want to try making my own disc wheel cover for £30 like GTN did!
 
Just so I understand, I can run a 10 speed crankset but would need an 11 speed front mech and shifter because the 11 speed chain would need the larger front mech movement?
 
An update for those who care. Got myself a second hand but barely used 2015 Ribble TT frame with a new 10spd crankset and 11spd rear mech. Just need the other bits now! I’ve worked out that I won’t need brakes for a few months so can buy those later
 
Next major decision is to push the boat out a bit with really nice bars or keep it cheap and cheerful. I need the frame to arrive and see how it fits first I guess. 3T Aduro are going cheap but don’t think it will match very well!
 
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