Bicycle Chain Jumps Under Load

If the chain is trying to jump between gears that could be causing the slipping but it will have a very different fix.

Bicycle chain jumps under load. This occurs because the previous worn and elongated chain formed pockets higher on each tooth a larger pitch diameter than an in pitch chain describes. Your chain more specifically the cables that connect the shifters to the derailleurs to move the chain from cog to cog need the tension adjusted. Now instantly after replacement the chain is jumping when in the smallest sprocket on the cassette when under load. The old chain was a kmc x8 1 2 x 3 32 w reusable master link and i replaced it with a kmc x8 93 8 speed chain and now for some reason the chain keeps slipping under any load in any gear.

I bought a kmc x8 93 sp chain this time which i think is very similar to what came with the bike originally. Bike chain skipping jumping after replacing multiple parts. I show the most common causes for chains that skip slip jump gears while pedaling auto shifting phantom shifting derailleur especially while under torque like climbing up a hill or standing. But i m not too convinced your shop knows what they re doing.

Making a chain shorter to help it stay on the cog is not a proper way to address the. Learn the following facts about skipping bike chain and how to fix it. If its a jump bike slopestyle just singlespeed it makes things easier. Chain jumping on rear cassette under load in mechanics lounge.

Often a skipping bike chain is due to a cable stretch. If you replace your chain and cassette and the chain still skips your crankset or chainrings will most likely need to be. Abby hippley mechanic bike builder and former demo driver for santa cruz bikes says your chain more accurately the cables that connect your shifters to your derailleurs to move the chain. The only difference between the old and new chain i can spot is that the new one is 2 or 3 links longer but the derailleur still has plenty of.

I measured it and counted the links versus the first chain that came with the bike. Chain slip can be a hassle to diagnose because it only happens under load.