Mountain Bike Chain Problems. Much like a road or MTB, it's important to think about speed when you're picking out a chain for your BMX bike. When bikes hit the service stand, it emerges that one of the most common problems to occur is an issue the rider might not even have noticed – but can develop into a really serious problem.
Change a Chain on a Mountain Bike. If your bicycle chain is creaking, clunking, or your gears are not shifting smoothly and efficiently, it means it is not performing the way it should. According to the Mountain Bike Buzz website, worn links might be at fault if your chain continues to slip after being cleaned.
How to Fix a Bike Chain: Fixing a bike chain on the street is no harder than fixing a flat tire if you are prepared.
This first started after breaking my chain on a ride.
Your mountain bike wheels should freely spin around the hub without rubbing, touching, or hitting anything else. A durable chain makes the whole drivetrain almost wear-proof. There's no set mileage limit on bike chains, but there are several common indicators that it's time to replace a bike chain, the most important being stretch.