1. It is not a cable problem. Close. Either of these conditions can bind the cable, leading you to believe the problem is a shifter. Having spend some time at the rear of the bike I have now found out my problem is with the shifter. This is a job I have done on my other bikes previously, so not a complete newby, but, I am finding the set up to be a bit of challenging, namely getting all 11 gears to work!!! Well, I tried soaking it with WD40 and then re-lubing it with spray lithium grease. However, it has a couple other unique features that you might like or dislike. The right lever just stopped shifting. The two gear shifters of the Shimano 105 each control a derailleur, which changes gears by moving the chain from one sprocket to the next. Failing that, i've got a nearly new set of 105 10sp shifters to sell. Something inside, either a pawl or spring is broken. No improvement whatsoever. Posted by 1 year ago. Inspect the cables to make sure the flexible housing is not cut through or that a section of the cable is not badly crimped. My front Tiagra 4600 shifter is toast. Archived. There is one derailleur at the front and one at the rear. Repeatedly shift on to the biggest chainring, adjusting the high limit screw half a turn at a time until it does so without hesitation, but does not overshoot the largest ring. As the rear derailleur is shifted, the angle of the chain can change and it can rub against the side of the front derailleur cage, causing wear. As the strands started breaking- the shift action deteriorates, and no click latching was one of the symptoms. don't attempt to take your shifters apart unless you are a shimano robot with special shimano robot spring putter-inner fingers. Hey all, TL,DR I have a sticky left hand Shimano 105 (5700) shifter, checked and eliminated all other potential issues that could cause the front mech to jam/not work, has anyone any suggestions before I fork out for a new lever? Shifter Cables. I have a 105 5800 groupset and can index either 2 - 11 or 1 - 10 but not the full range 1 - 11. Shifter cables consist of a stranded steel cable that runs through a flexible housing. The numbers on the shifter do not line up with the gears i am actually in, to get on the largest gear, i am 2 clicks below the 1, in the smallest gear, i am on number 5 not … Hi, I have a revo shift sl-rs43-7. I just purchased my 105 R7000 groupset (new) 30 days ago. A second problem found on another Sora shifter that had similar shift deterioration was a result of a tensioning spring used for the return action- the … Some internal part gets even slightly bent and the shifter fails completely. The SB-M110 shifter is shares the same pull ratio as a Shimano MTB 1×11-speed shifter, which makes it the perfect candidate for a mullet drivetrain. Taking apart the more recent 105 shifters is probably about as easy as a 5000 piece jigsaw puzzle upside-down and without the picture. Unless you know what you are doing, its probably best to take it off your bike and whip it into a shop to get a pro look at it. The new set up is a Shimano R7000 GS derailleur fitted to a 32-11 11 speed cassette, with Shimano 11 speed R5800 shifter. So I have a Shimano 105 10-speed groupset (5700 series) that I bought brand new last year. So I took it to the LBS, which declared it DOA. I want to upgrade to 105 10 speed 5700 shifters, since my Mavic CXP-22 wheels are only 10 speed. Shimano 105 R7000 STi lever not shifting. At the helm is the SB-M110 shift/brake lever set, with a rather unique brifter controlling the derailleur. Shimano 105 R7000 STi lever not shifting. 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