Jump to content

Recommended Posts

Posted

Hi guys

 

We rode in the Drakensberg this past weekend and took on alot of mud!

 

Short and long, my chain now gets stuck between the lower rear stay and my front blades (i.e. when the relevant portion of the chain leaves the front blades to return to the jockey) and there is a terrible grinding sound as and when I put presure on the pedals.

 

I anticipate that the chain might have gone but Im not sure...

 

Can someone offer me some advice?

 

Kind regards

Posted (edited)

Happened recently to a friend of mine. Caused by a bent chain ring causing the chain to catch and get jammed....

 

Mud can really wear out your drive train quickly, definitely go and have your chain and cassette wear checked out.

 

Other things to check:

 

- Is the chain clean?

- How worn is the chain (bike shop can measure this)

- How worn is the chain ring?

- Is the chain the right length?

- Does the rear derailer have enough tension?

 

Failing that, get a belt drive :P

Edited by Jacquers
Posted (edited)

not sure what you mean by blades.

on the front at your crank its called chain rings, on the rear, its sprockets of your cassette.

rear deraileur moves the chain, and the chain rotates off the jockey wheels in the jockey hanger.

you have a driveside chainstay and a non-driveside chainstay, and similarly a seat stay on both sides.

 

Clean your chain and assess each link, check if any links are coming apart and if so remove that part of the chain and install powerlinks or new section of chain.

If the chain is falling off your 11t sprocket and getting stuck between the chain stay and the sprocket, then your limit screw on the rear derailleur needs to be reset.

 

grinding sound may be grit etc in your bottom bracket that your crank axle passes through.

your chain shouldnt be getting stuck between the chainstay and the chainring blades, unless they are horribly bent, but even then...

Edited by Li Mu Bai
Posted

My opinion. Maybe the mud has worn the teeth of the chain rings into the shape of a breaking wave. This makes a hook and wont release the chain off the chain ring. What I've done in the past to extend the life of the chain ring is to take a nail file and smooth off the "hook" on each tooth. It takes about ten minutes of toil but no more chain suck. Bye.

Posted

remove chain, clean bike, clean chain, lube, replace, ride

 

This. With a few additional steps though - when the chain is off, check that the cranks are turning smoothly and with no play, and check that your derailleur and chainrings are not bent.

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
Settings My Forum Content My Followed Content Forum Settings Ad Messages My Ads My Favourites My Saved Alerts My Pay Deals Help Logout