Place your bike in a stand.
Fixed gear bike chain slipping.
To fix a skip in the rear derailleur shift your chain into the smallest ring on your rear cassette the hardest gear and the middle or larger ring on your front derailleur.
I show the most common causes for chains that skip slip jump gears while pedaling auto shifting phantom shifting derailleur especially while under torqu.
It is important that you take the time to inspect the condition of your gears and chain before any ride.
Once your bike is upside down look at the derailleurs which are the small machines on the front and back gears that move the chain.
Look over the chain for excess wear or bent links.
This will allow you to clearly access all the parts and spin the pedals to see how the drivetrain is performing.
If the chain is worn out.
To fix a slipped bike chain first turn your bike upside down as this will make it a lot easier to reattach the chain.
To tighten a loose chain on a hub or fixed gear bike first use a wrench to loosen the axle nuts on the rear wheel.
And explain what needs to be done to fix them.
Using a chain tool slip each of its ends through the links of your chain and check your chain against its wear indicators.
Bicycle gear slips will cause inconsistencies while riding as well as slow down a racer.
Press your shifter once.
Hub or fixed gear bike.
How to fix bike chain skipping slipping jumping gears 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 on the pedals.
A chain that keeps falling off is either too loose in the case of a hub gear or fixed gear bike or the derailleurs are badly adjusted and move the chain right off the cogs when you change gears.