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Looking at a wheel build and wondering whether Deore hubs would last as long as xt and its the weight difference or whether there are more reliable internals on the xt?
Got a ten year old one still going strong. Trigger's broom though, new bearings and freewheel a couple of years ago. Easier to set up bearings than XT as it has 4 nuts not 3.
The key to Shimano hubs lasting a long time is regular maintenance, and greasing them properly from new.
If they're left for too long, the balls can start to wear and then pit the cones, but if regreased properly every so often they will last a long time indeed.
Oh, and they come with barely any grease in from the factory, so pop them open when new and fill with grease and job's a goodun.
even if they do die,you can buy another deore hub from germany/crc sale and swap the internals.
it's a 10min job.
thus avoiding the wheel rebuild faff.
XT's will go rough after a while if not looked after. XT's are a bit smoother to start off with, but no matter which you choose, neither come with much grease when new. I'd happily use Deore, just got to keep on top of servicing. There isnt much weight difference in it.
Good hubs, as long as you remember to get the M525, not the M475, which isn't actually branded as Deore, looks similar, but has pretty poor seals.
even if they do die,you can buy another deore hub from germany/crc sale and swap the internals.
it's a 10min job.
thus avoiding the wheel rebuild faff.
But you can't change the bearing surface in the hub?
Feel smooth when you get them then like all shimano hubs you end up messing about with the cone and cups. Get something with cartridge bearings less hassle.
The key to Shimano hubs lasting a long time is regular maintenance, and greasing them properly from new.
This ^^^
Lots of good grease and proper adjustment from new and they'll be fine
Also agreed on the 475 hubs. The seals are cack. Proper 575 Deore hubs have proper seals and can be made to last forever.
I don't understand the hate towards Shimano hubs??? Bit of TLC every now and again and they go and go and go etc.....
The hate does seen to have died down since recent bannings.
With judicious use of a big hammer you can change the non driveside cup (thanks Al for the tip).
Ahh, so it is possible. Knock it out from the other side I take it? Will an XT cup fit in a Deore shell?
Never got on with Deore hubs personally, I tend to destroy the freehubs and they're not very well sealed. No such problems with XT though, they're one of cyclings real bargains
I had some on a bike that I sold to a mate so know for a fact they are still going strong after 10 years.
Agree about XT hubs though. I have 2 sets in wheels about the same age 4-5 years, and have had to replace cones and bearings as well as freehubs on both recently. However the cost was about that of one Hope freehub and didn't take very long.
As for being unable to replace the hub side of the bearing surface, they seem to be made of stronger stuff than the replaceable part and both my rear hubs are running true and free although I have only obviously swapped the cones. You do have to be very careful though as XT hubs have very subtle differences between different models even with the same axle size
Have had a Deore freehub break but it wasn't catastrophic the pawls broke one at a time. Have also got 2 sets of 20mm XT wheels both just keep going and going. Adjusting the bearings is no more difficult than adjusting a headset imho
Deore hubs are £25 inc freehub, cones and axle and tbh I find it very difficult to see or feel the difference between an XT freehub and a Deore
lasted a lot longer than some of the cartridge bearing hubs I've had.
Just wish they would fit a grease port in the centre of the hub like the old road hubs had an oil port.