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Hi All,
I have a quick question that I was hoping the group knowledge might help me answer. At the weekend I managed to break the upper (guide) jockey wheel on my rear mech. The mech in question is a Shimano M760.
My question is....the wheel that was broken had sealed ceramic bearings but due to the timescales of needing to use by bike again and the fact the wheels I need are like rocking horse droppings in bike shops, is it ok to fit a slightly smaller non sealed unit?
Thanks
Posted : 21/09/2010 2:18 pm