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freehub lubrication question

Old 11-01-10, 02:35 AM
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freehub lubrication question

Can you cause damage to a freehub by adding too much grease?

My campagnolo freehub used to ratchet loudly. I cleaned and greased the freehub and now it is almost silent. I like the silence but I thought campy is supposed to ratchet rather loud.

I wouldn't be worried except if you spin the pedals rapidly while off the ground the crank turns slightly while ratcheting, this is not a problem while I am on the bike.

My main question, can too much grease in the freehub cause any damage?
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Old 11-01-10, 03:52 AM
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I cold weather, you can have it freewheeling in both directions.
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Old 11-01-10, 02:21 PM
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Freehubs need to be oiled and not greased.

Grease will slow down the engagement of the pawls into the teeth of the ratchet teeth. If you "catch" while the pawls are only partially engaged you run the risk of the pressure chipping off the end of the pawl or ratchet tooth and eventually running into future issues with poor or skipping engagement issues. Oil protects the metal, lubes the bearings and pawls but allows a snappy ratcheting action and far more reliable and full pawl to tooth engagement. If it "sings" a little as the price for this then it's a small price to pay.

On the other hand using a thicker oil combined with some solvent that will evaporate over a day or two will protect the innards well while not slowing down or stopping the pawls like grease will do. It's not a bad "middle of the road" solution.
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Old 11-01-10, 03:56 PM
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Concur on the use of oil vs grease. I've used Phil's Tenacious Oil for freehub (and freewheel) lubrication. It has a nice, thick syrup consistency.
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Old 11-01-10, 05:32 PM
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Nah, you're fine to grease it, as long as you store it inside during the winter. I make sure mine are greased and silent, and ride as cold as 3F without trouble, all winter long.
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