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		Deleted member 35268
Guest
My chain jumped off the outer jockey wheel last week - it had never done that before and I was a bit confused to the cause.
So, after a proper clean I noticed that it was "slightly" worn. Suffice to say - check your jockey wheels after a few thousand miles!
	
		
			
		
		
	
		
		
	
	
		 
	
	
		
			
		
		
	
top - worn jockey wheel
bottom - replacement
	
		
			
		
		
	
			
			So, after a proper clean I noticed that it was "slightly" worn. Suffice to say - check your jockey wheels after a few thousand miles!
top - worn jockey wheel
bottom - replacement
 
				 
 
		 
 
		
 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		