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Bookmark or Share- Chain "jumping" every few crank rotations - Bicycles Stack ExchangeAfter a few pedal-strokes the rear derailleur completely gives out and the pedals drop to catch up. After much googling it says the most common thing is rear derailleur adjustment is needed, so I h...
- Rear derailleur shifting poorly, skipping gearsA tune-up fundamental SHOULD be the proper alignment of the rear derailleur hanger. If the shop doesn't use a Park Tool DAG-1 [derailleur hanger alignment gauge], or some other manufacturer's, to inspect, verify, and correct the relation of the hanger to 3 different points on rim of rear wheel at 180 and 45 degrees apart it is throwing parts at a bike.
- Why does my gear slip when going uphill / standing?As an addendum to other answers, this was happening to me (not ghost shifting but the chain jumping forward). This started on a new chain, so I changed the cassette. It still happened. A test ride demonstrated that it only jumped in the middle chainring (by far the most used) even though it didn't look much more worn than the other rings.
- Shimano 105 brifters - rear shift jumps multiple gearsI've started to develop a problem in the rear derailer where when I shift to a higher gear/smaller cog, the shifter "jumps" multiple gears. Happens whether I'm on the middle or big chainring in front. And yes, I know it's jumping multiple gears because it takes multiple shifts to get back into the gear I started from.
- Gears jumping/slipping from the rear cogset on a new bikeIts been 1 month since I have bought my new MTB (Kross globate 1.1) with 18 gears (shimano).. Now the problem is chain has slipped twice while riding. First time my speed was around 25kph and secon...
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