Mountain Biking - Hub suggestions/ideas...please.
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06-29-09, 06:47 AM
My wife has a mountain bike that she uses as a commuter.
It's a to the gym...around town, only when it's not raining kinda' bike.
I changed the tyres today.
And while at it, I noticed a not so good feeling in the spin in the HB-KM40 Shimano hubs.
I imagine that I could service them.
I could also imagine relacing to new hubs...:thumb:
What would be a smooth spinning upgrade in trems of MTB gear?
This wheel set would never see a rugged trail, let alone a jump,drop or rut.
Am I asking for too much in terms of smooth expectations?
I'm a road cyclist with no idea what to expect...
I would just take the hubs apart, throw in some new balls, and pack with Phil Wood grease.
06-29-09, 01:07 PM
Doesn't sound worth the trouble to do but what Ed suggested....try this http://www.parktool.com/repair/readhowto.asp?id=105
07-02-09, 03:36 PM
let's define a few things, in terms of hassle and what's "worth it"...
rebuilding hubs can be seen as a PITA, but it's cheap and easy and quick compared to buying a new hubset and lacing them up
if you're lacing the new hubs to the old, used rims that came with your 400-level shimano hubs, that would be totally not worth it, as you won't likely build a better wheelset than what you have now
if you're lacing the new hubs to new rims, you could make yourself a great wheelset, but this would be far more expensive and more difficult than repacking/rebuilding the existing hubs
you could just buy a complete new wheelset. This would be almost zero hassle, and you can get good wheelsets cheap these days, but it's way more expensive than some new balls/grease.
me? I'd crack the old hubs open, pull em apart, see if the balls/races are badly scored, and if they look half-decent, i'd just clean everything out really good and repack with fresh grease. but then, i'm a cheapskate. most ppl think it isn't worth pulling a hub apart without putting new balls in there.
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