Mountain Bike Gear Keeps Slipping. Repairing or replacing the gears and chains is easy if you know what the problem is. It is easy to tell that your gears are slipping right from the way the bike is handling.
For a novice to the sport, these gears might seem like complex mechanisms that you can't figure out. The gears on my mountain bike keep slipping? It takes cable tension to open a derailleur, which shifts the chain between gears.
Turning clockwise will increase the gap, anti-clockwise will close it.
With the bike held off the ground, and the chain now on the largest cog at the back, test the front derailleur by moving the chain between the smallest and next chainring using the gear lever.
Some of the portions of the ride are at a steep incline, and I've noticed that when I get up to stand on some of these hills, my gear slips. Check that it is positioned correctly by taking a look at our article on how to index front gears.. If I try to ride it normally without having my hand on the shifter then it will change gear at random, more often so when I pedal harder.