![Old Peugeot bike, love it to bits but recently when I pedal hard on a hard gear, the chain/hub 'jumps' forward, like the gear is slipping... What needs fixing? Not sure how Old Peugeot bike, love it to bits but recently when I pedal hard on a hard gear, the chain/hub 'jumps' forward, like the gear is slipping... What needs fixing? Not sure how](https://preview.redd.it/eyjdsx7ksn571.jpg?width=640&crop=smart&auto=webp&s=8a8750ea2d8141c8cde4553c1c9608a7b040d808)
Old Peugeot bike, love it to bits but recently when I pedal hard on a hard gear, the chain/hub 'jumps' forward, like the gear is slipping... What needs fixing? Not sure how
![Bike Chain skipping, how to fix it, why is my chain skipping on my bike #mtb cassette maintenance - YouTube Bike Chain skipping, how to fix it, why is my chain skipping on my bike #mtb cassette maintenance - YouTube](https://i.ytimg.com/vi/WsdJy9NNpyw/maxresdefault.jpg)
Bike Chain skipping, how to fix it, why is my chain skipping on my bike #mtb cassette maintenance - YouTube
![How To Fix A Skipping Bike Chain - Why Is My Bicycle Chain Skipping & What Causes It - Sixthreezero Bike Co. How To Fix A Skipping Bike Chain - Why Is My Bicycle Chain Skipping & What Causes It - Sixthreezero Bike Co.](https://images.ctfassets.net/ogr4ifihl2yh/2S03NX0pXRLnBw2ZKSuUhb/b776bff677dc2ac9b212d4ded0199bf4/How_to_fix_a_skipping_bike_chain_v2-04.jpg?w=1000&q=85)
How To Fix A Skipping Bike Chain - Why Is My Bicycle Chain Skipping & What Causes It - Sixthreezero Bike Co.
![Troubleshooting Common Rear Derailleur Shifting Problems on a Bike - Singletracks Mountain Bike News Troubleshooting Common Rear Derailleur Shifting Problems on a Bike - Singletracks Mountain Bike News](https://images.singletracks.com/blog/wp-content/uploads/2018/11/complete-DT-1170x780.jpg)