Nov 14, 2025 · I have an old 1990s Kona Lava Dome 3x7 speed which has developed a nasty jump/skip under load across a wide range/all gears. On inspection, the chain was past its 1% …

Feb 14, 2021 · After 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 …

Apr 21, 2024 · 1 This is an easy fix albeit I will caution you, what I refer to as 'chain jumping' is one of the more dangerous scenarios when riding a bicycle. Each time it jumps, from pushing …

Nov 11, 2023 · Bike chain jumping at lowest and highest gear, fine in the middle Ask Question Asked 2 years, 2 months ago Modified 2 years, 2 months ago

Nov 22, 2024 · Some weeks ago I started to have the problem that when applying a lot of power to the pedals, the chain was slipping (not jumping to another gear but just slipping). This was …

Mar 26, 2020 · When pedalling in higher gears, the crank or cassette seem to completely lose grip for a second, then grip then lose it again. I could probably pedal all day in 1st and any front …

Aug 18, 2024 · Any chance you could get a video of the jumping happening? Also a picture of the cassette and chainring to evaluate wear would be nice. What model chain was the old one and …

Nov 6, 2017 · You mean while the bike is in mid-air? The change in angular momentum will induce a very slight forward tilt. Of course, if you engage the front brake in mid-air and hold it …

I've got a Shimano Sora on a 8-gear cassette, and have odd behavior and skipping, shifting under stress. This started with a trip to the mechanic for a tune up which replaced the chain. I had some

For help on jumping curbs, I would recommend a couple of youtube channels: Seth's bike hacks GMBN (Global Mountain Biking Network) They both have a lot of help on skills. In your case, I …