Rear Bike Sprocket Slipping

How to stop gears slipping on a mountain bike.

Rear bike sprocket slipping.

Take time to visit a professional especially if you ride professionally. I show the most common causes for chains that skip slip jump gears while pedaling auto shifting phantom shifting derailleur especially while under torqu. Replacing chains derailleurs and sprockets will ensure that your bike lasts longer and performs best. The sprockets are under pressure from the chain especially when climbing.

Skipping occurs most often under high loads for example when pedaling out of the saddle. A good bike shop will do a thorough analysis of your bike gears and give you recommendations on the same. Shift down into the smallest ring in the rear cassette again and press your shifter again to see if the bike shifts properly. Adjusting rear derailleurs for smooth gear changing most modern mountain bikes have derailleur gears.

I occasionally get questions like bike doesn t move when i pedal help my wheel doesn t move when i move the pedals. If they aren t you should replace it. If the bike still does not shift repeat the entire process. This post explains the tools needed and the proper procedure of removing rear sprockets of rear wheels that have them.

Examine your rear derailleur. A freehub a common hub type for bicycles that uses stacks of sprockets or cassettes the freewheel mechanism is contained within the hub. This article will show you how to fix a bicycle freehub mechanism that is skipping. I fell off the bike in slow motion and luckily at 5 am there was nobody about to laugh at me.

What s wrong pedaling won t move. If any of the edges are no longer rounded at the ends and instead resemble a shark s tooth it s time to replace the cassette because it s probably causing your chain to slip. Now if i turn to pedals the chain moves and it drives the sprockets at the back but that s all the rear wheel doesn t go around with them. Tools needed will be listed after the preparation procedures are explained for reasons that will become apparent after reading paragraphs preceding the tool list.

These bike gears operate by shifting the bike chain up and down a cassette of cogs on the rear wheel each cog offering a different gear ratio. But if you want to repair it all alone first get your rear wheel off get the sprocket off and check the 3 teeth inside the sprocket they have to be perfect half circles.