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On my 1992 Brompton MK2 they mounted the classic 3-speed handle bar shifters. One uses all three options, the other one uses only two positions and is mounted backwards :-) Never failed.


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In addition to @Carel's answer to this question, this problem can also be caused by the shifter cable stretching over time. On most front derailleurs, the shifter cable is used to pull the derailleur cage outwards to shift the chain to the larger outer chainring. Over time, the cable can stretch, so it won't pull the cage as far outward, making it harder ...


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You'll have to tweak the HI limit screw on the front derailleur, turn conter-clockwise by 1/8 of a turn each time. The best way to do it, is to suspend the bike, shift into low and while turning the crank try to shift into high. If nothing happens, adjust the limit screw as said. If the chain is falling towards the pedal turn the screw back in. (mind your ...


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Usually these issues are caused by the cabling system, although a bent derailleur hanger can be the cause (so check first if your rear derailleur hanger is bent before throwing any money at new cables). Also check if your dear derailleur is correctly adjusted -- the cable tension and both limits screws need to be correctly set, but if the problem happens ...


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36 tooth. The MT210 is used in a number of series - M3000 and the M4000 series. The RD-M4000 rear derailleur has a 36 tooth limit for its largest sprocket. It also has a capacity of 45 tooth, which means 11-36 cassette on 22-44 chainrings. These are published maximums, while Shimano is conservative with these numbers, and some people will claim success with ...


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