Shimano rear hub service questions
Eyon
Posts: 623
Hi,
Was getting play in the cassette side of my rear hub so thought I'd pull the cones out, re-pack it with grease and re-tighten.
I know my way around a spanner and a bike quite well, but I thought I'd just check this one first.
If I tighten the cones up to what i would call "right" the wheel is nearly jammed solid. If its finger tight the wheel struggles to turn and its only when the last nut is "just tight" (as in when it feels like it is starting to tighten), the wheel rotates fine. However, i can easily undo the nut with no issues what so ever with the lightest of touches.
So the question is, will this be dangerous to ride? Or should it all hold together? It's my first time using these cup type bearins which IMO are a bit of a stupid design when a cartridge bearing works nicely and is easy to maintain (as in replace). Am i doing something fundamentally wrong or is this only just starting to feel tight the right thing?
Was getting play in the cassette side of my rear hub so thought I'd pull the cones out, re-pack it with grease and re-tighten.
I know my way around a spanner and a bike quite well, but I thought I'd just check this one first.
If I tighten the cones up to what i would call "right" the wheel is nearly jammed solid. If its finger tight the wheel struggles to turn and its only when the last nut is "just tight" (as in when it feels like it is starting to tighten), the wheel rotates fine. However, i can easily undo the nut with no issues what so ever with the lightest of touches.
So the question is, will this be dangerous to ride? Or should it all hold together? It's my first time using these cup type bearins which IMO are a bit of a stupid design when a cartridge bearing works nicely and is easy to maintain (as in replace). Am i doing something fundamentally wrong or is this only just starting to feel tight the right thing?
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Comments
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What I find that happens is that when you start to lock the cone against the locknut, the axle can spin - this loosens off the adjustment.
You are using a cone spanner and 15/17mm spanner to adjust and lock one side of the hub? Once the adjustment is locked, the nuts stay tight, though the bearings can wobble if the adjustment is poor.0 -
Thanks supersonic. Looks like my way of doing it was a little wrong. I wasnt using cone spanners and therefore could only service the hub from the cassette side (which worked well until i needed to tighten it up)
Dropped it off at the LBS, might look into getting some cone spanners or some hope hoops for a nicer set of wheels and easier servicing
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