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Old 06-15-05, 09:44 AM   #1
trek007
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Help Needed - Hub not engaging

Hi,

I have a bike, about 7 years old. Just bought it, used, when i pedal, sometimes, usually when in the top rear cog, the power does not engage right away. The cranks spin without resistance for about 1/4 rotation, and then something engages with a bit of a "thunk" noise, and then my pedal power works at the rear wheel.

The cranks/bottom bracket and chain are all new. I was wondering is this is a problem with my hub or cassette, should I have them replaced. What would I be looking at for cost, would it be better to buy the $100 wheelsets off ebay?

Thanks
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Old 06-15-05, 09:51 AM   #2
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Your freehub is probably filled with old thick contaminated grease. Call around the shops and see if any of them have a "Freehub Buddy" tool. It's a special tool that injects grease into a freehub. You'll have to have the shop remove your cassette and your freehub, soak it in degreaser, then inject it with new grease.

That, or have them order you a new freehub!

What it will cost you in labor, you might as well just buy a new one!

Me? I own my own Freehub buddy and my labor is free (kinda)

Come over, bring a six pack of good micro brews and I'll show you how to do it!
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Old 06-15-05, 10:02 AM   #3
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Hi,

Thank you for that information, If I buy a new one, will I have to relace the wheel/spokes or does this jsut fit inside, or would it be worth buying at new wheelset off EBAY for $100.

Thanks
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Old 06-15-05, 11:19 AM   #4
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The freehub on your wheel is replaceable . If the wheel is sound then its worthwhile.
Instructions can be found at
http://www.parktool.com/repair_help/..._freehub.shtml
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Old 06-15-05, 11:20 AM   #5
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A new freehub should be about $25 to $30 installed. You need special tool though, so take it to a reputable shop in town.
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Old 06-16-05, 06:14 AM   #6
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I'd follow the park tool instructions that MichaelW posted. Make sure you clean the freehub really good in some sort of solvent. I've done this and it usually works.
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