He used them because at the time there was no UCI minimum weight limit and they were lighter.
Sort of... the 6.8 rule came in in 2000, but bikes weren't really pushing the limit until a few years later. By 2005 he was on STIs the whole time.
Bike Forum
How do suicide shifters work?
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Posted 6 months ago #
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Lance ran the front shifter on the downtube for weight and cage trimming reasons.
STI does not trim (DiD does tho') so you can get cage rubbing at the extremes of the cassette use.
Talking of which....a certain younger TdF runner-up knows all about chain crossing in the Pyrenees...Posted 6 months ago # -
There is a trimming click in STIs (Dura Ace ones at least), but it's obviously not automatic like Di2.
Posted 6 months ago # -
STI does not trim
My Sora's trimmed, they had loads of clicks on a ratchet so a big push shifted from one ring to the other, a small click trimmed it in the gear it was in.
As Njee20 said, DA has 2 big clicks and a minor one for trimming. Both function the same DA just takes marginaly less thought as you can't accidentlay trim and end up dropping the chain off the big ring as the next click after trimming is to shift into the little ring.
Posted 6 months ago # -
Those Campag ones pictured I assume are also retrofriction, with a clutch which makes resistance one way much more than the other
Nope just some nylon washers inside to cause the friction.The mechs used to have 2 springs as well, one on the mech like modern ones, and one on the bit where the cable pulled
Nope again - the Record, Nuovo Record and Gran Sport mechs used with these shifters just had a single, quite strong, spring.Posted 6 months ago # -
Cheers for the replies.
So I'm looking for a friction shifter with oversized (34.9mm I believe) clamp.
Would I be able to run a inner cable going straight from the shifter to the front mech (if top pull), or will there not be enough friction in the system (if they normally use guides etc too?)/cable angled wrong?
Also seen that you can get front mechs with friction shifters built right into them (http://davesbikeblog.blogspot.com/2007/06/suicide-shifters.html , thanks APF), guessing they're no longer available?
Ta, Duane.
Posted 6 months ago # -
Oh, and if anyone has a suitable shifter for grabs/sale, please let me know
Posted 6 months ago # -
Lance ran the front shifter on the downtube for weight and cage trimming reasons.
I never knew what it was for, just thought it was some strange set up he liked. Now I know.
Posted 6 months ago # -
I've definately got a shifter in the shed somewhere, pop me an e-mail and I'll chuck it in the post.
For the band you'll need to bear in mind most seatubes are a different diameter for the mech and at the seat clamp. So pick where you want the shifter and measure it with some callipers. It might be easier on the seatpost (if you don't plan to raise or lower it) as 27.2 I think was also the diameter of downtubes on some steel bikes.
Posted 6 months ago # -
Cheers, will drop you an email. Guessing it will just be the normal 28 or 28.6mm though?
Unfortunately I raise and lower the saddle a lot, bike is used for jumping as well as XC (hence wanting this kind of shifter), so really needs to be on the seat tube. Maybe I can bodge something up involving a hose clip or similar?
Posted 6 months ago # -
Maybe I can bodge something up involving a hose clip or similar?
maybe this?
http://www.chainreactioncycles.com/Models.aspx?ModelID=745
Posted 6 months ago # -
Simplex made the best shifters/levers, i remember getting a pair for my TT road bike in 83-84, retro-friction i think
Posted 6 months ago # -
thomthumb, oooh, very good shout, cheers!
Will look into Simplex, ta.
Posted 6 months ago # -
Hmm, how do most friction shifters actually work? Does the clamp have a bolt part, with a nut holding it all together, or does a bolt thread through all the parts into the clamp? Looks like most have the former, so the DMR clamp wouldnt work.
Posted 6 months ago # -
double
Posted 6 months ago # -
Can I ask why? If you have no cable guides can you not just use clamp on cable stops/zip ties with full length outer?
Posted 6 months ago # -
Simplex made the best shifters/levers, i remember getting a pair for my TT road bike in 83-84, retro-friction i think
They were a thing of beauty, had them with a Mavic SSC rear mech and Campag super Record front - lovely
Posted 6 months ago # -
I don't like having loads of cables, they get in the way when X-upping, crashing on jumps etc.
Posted 6 months ago # -
Single ring...
Posted 6 months ago # -
I want to be able to get up vaguely steep hills, but also ride vaguely quickly when commuting.
Posted 6 months ago # -
(I currently have single ring)
Posted 6 months ago #
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