If it helps, just re-use the old shifter clamp – no need to re-tape the bars.

Would require a new rear mech but yes, a good option

Because the new stuff (4700) uses the same actuation as the 11 speed stuff.

I’ve got an unused Dura Ace 7800 one if of interest? Obviously they wouldn’t match, but I had to replace a RH one, never needed the spare LH one.

Nope, it’s the ‘matching’ Dura Ace one, 7900 was the DA groupset with internal cable routing. Don’t mix and match those, the hoods are totally different.

I wouldn’t buy 5700 at all, that entire generation of STIs are horrible IMO.

Isn’t that just for a LH one?

Common problem with the 5600 shifters.

The 5700/6700 shifters also had this problem, plus the shifting was worse due to the cables running under the bar tape.

I’d probably keep an eye on ebay and just get a second hand set, otherwise it’s gonna cost you over £300 for new 105. New Tiagra could be an option though.

Another option would be find some Campagnolo 10 speed Ultrashift levers as these are compatible with Shimano using a Jtech Shiftmate. Plus they rarely break (unlike Shimano), and if they do you can just strip them down and fix them easily.

4600 is 9 speed i think

EDIT, maybe not

Wonder if the new 4700 shifters would work with your current mechs? Might be worth getting those if they do.

Just had a dig about myself, have a RH 5600 shifter but not a left!

That’s a 5700 main lever assembly. There are some complete left hand ST-5601 levers lurking around in Madison’s warehouse but they are £119.99 retail. They aren’t normally available to buy but if you speak to a bike shop they should be able to get one by speaking to telesales. Codes are KST5601LL for black or KST5601LS for silver.

Incorrect. The mechs look different but they are completely backwards compatible.

interesting. there was no way in the world my 5700 front mech was going to play with 4700 shifters, had to get a 4700 front mech – then it all worked easily.

I have a brand new 5800 left hand STI you can have for what I paid – £50

They are better than the 5700 – the front especially is much smoother. you’d just need a new front mech, £19 on CRC. no need to change anything else if you don’t want to.

I think i have a 5700 RH too if you wanted to remove the washing lines altogether?

address in profile if you are interested.

I wouldn’t arse about trying to replace 10sp 105 stuff, the shifters were all a bit crap after they put the cables under the tape. They wear and go heavy and vague.. New Tiagra is way better than the 105 was. The feel of both shifting and braking is lighter and more accurate, it’s a vast improvement.
I can’t see the point of lashing out loads of money on an older bike (and potentially having to change the wheels to get an 11sp cassette on) I’d just keep it 10sp.

Few options above, but if you decide to go down the 5800 route you’ll have yourself a very nice shifter set.

I have 6700 and it is worse than all Shimano’s 11 spd stuff even if you only used 10 of those 11 speeds. The 5700/6700 stuff has a heavy shift action and with fewer gears you’d think it’d have wider tolerances, and yet it is far more fickle to set up and keep working sweetly than 11 speed.

The 6700 is on my carbon pride and joy and is immaculate condition and all the consumables are regularly replaced, but having recently bought a titanium P+J with 6800 on it (and a commuter with 5800) and riding the bikes back to back it’s enough to make me neglect the carbon bike, so the 6700 may well be getting replaced.

😀 thanks, but no. It wasn’t an astroturf and from following FB buy/sell sites 6700 stuff seems to sell for more than I’d expect it to.