CityCyclingEdinburgh Forum » Debate!

Yeah, Your Rim is Shot Sir...

(17 posts)
  • Started 12 years ago by Wilmington's Cow
  • Latest reply from DaveC

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  1. Wilmington's Cow
    Member

    One of those mornings.

    Mounted the broken-spoked cross wheel on the back of the Kaff to drop off at the Bicycle Works to be fixed (before Saturday when we go on holiday, thankfully shouldn't be a problem) and a mile from the house my mudguard starts rubbing on the rear wheel. Cracked in two. Marvellous.

    Detach cross wheel, zip-tie 'guard up to Carradice, carry cross wheel in hand to cycle the rest of the way.

    Note, while zip-tying the 'guard, this rather impressive geological fault line on the drive side of the Kaff's rear rim. Just as well I now have the parts for the new wheels.


    Wrecked rim by blackpuddinonnabike, on Flickr

    Posted 12 years ago #

  2. crowriver
    Member

    Aye, that's a bad 'un.

    Posted 12 years ago #

  3. steveo
    Member

    You sure its not just an extend wear indicator, or an indication its worn...

    Posted 12 years ago #

  4. DaveC
    Member

    Offer still stands on the CX wheel(s) WC. Have you decided on who is building your new wheels? I have a new one on the Dawes you're welcome to have look at for build quality and workmanpersonship.

    Posted 12 years ago #

  5. Wilmington's Cow
    Member

    "You sure its not just an extend wear indicator, or an indication its worn..."

    I can see daylight...

    "Offer still stands on the CX wheel(s) WC"

    I was actually thinking I still want to learn how to do this - but given the state of these, and the need for the new wheels, and the fact that from Sunday I'm on holiday for two weeks... If it was possible to meet up tomorrow to hand over the bits (depends on how easy it is for you to carry them, but they can live in your office till it's easy for you!) and I can give your man a call... Like I say, with me going on holiday for two weeks there's not the urgency in getting them built, but at the same time I'd like to put the bike back together ASAP on getting home (i.e. the Sunday before the Monday commute).

    And then, when I get back I can get thinking on my fixed project and learn to build the wheels for that with Mr Instography paid in beer.

    Posted 12 years ago #

  6. kaputnik
    Moderator

    Looks like what happens when either a bit of metal gets embedded in the brake block, or alternatively the block wears right down and the metal of the brake arm starts to rub on the rim.

    Those Vavert mudguards don't seem to have the staying power (ho! ho!) of SKS. Did Wingpig's not also fall apart?

    Posted 12 years ago #

  7. Wilmington's Cow
    Member

    Yeah those guards must only be a year or so old?

    On the rim, to be honest I think it's just that I've let them get really really really worn...

    Posted 12 years ago #

  8. wingpig
    Member

    The metal stay-holder bit at the back of my (secondhand, previously owned by Mr W. Cow) Vaverts snapped on one side, possibly asisted by the weight of the rear guard-mounted light. Not had the guard break, unlike the predecessor SKS raceblades which snapped twice in the same place due to the weight of the rear light. Full-length SKS on the sparebike also has a B&M seculite + waggling about on it but is used incomparably less frequently for a comparison to be made.

    Posted 12 years ago #

  9. ARobComp
    Member

    http://instantrimshot.com/

    Posted 12 years ago #

  10. crowriver
    Member

    If the hubs are okay, then it's a simple enough job to swap new rims onto the existing spokes (presuming these are okay). It's imperative that the rims are the same internal diameter (give or take a mm or two) and obviously same number of eyelets. Just need a wheel truing stand (I have one you can borrow), a suitable table to clamp it to (kitchen/study for example), some masking tape, a flat head screwdriver, and a spoke wrench.

    Just tape the new rim to the old, and working from the valve hole, undo each spoke in turn, transfer to the new rim. Takes a few hours maximum. I can recommend Sheldon's guide to wheel truing for when you start tensioning the spokes.

    Posted 12 years ago #

  11. Wilmington's Cow
    Member

    Rear hub is completely knackered, and the front hub is being replaced by a dynamo hub :)

    But definitely learning how to do this after my holiday!

    Posted 12 years ago #

  12. crowriver
    Member

    Ach well. Building a wheel from scratch much trickier. For instance, what length of spokes do you need? What pattern of lacing? What dish? etc. ...

    Posted 12 years ago #

  13. Wilmington's Cow
    Member

    Indeed, which is why I'm getting a teacher for that.

    I've replaced spokes before, but don't know if I have the right size to hand just now, and reeeeeaaaaallllly need it for Saturday when we leave on holiday. Hence dropping it with the Bike Works.

    Posted 12 years ago #

  14. PS
    Member

    No need for the excuses, WC. It's a good thing to keep the local bike shops in business. ;-)

    Posted 12 years ago #

  15. Wilmington's Cow
    Member

    Well you say that - you clearly didn't spend enough money in TBC!!! ;)

    Posted 12 years ago #

  16. PS
    Member

    I did what I could (two bikes, shoes, helmet regular services, lights, multitude of inner tubes and tyres...), but their products were so robust I did not need to replace them!

    Posted 12 years ago #

  17. DaveC
    Member

    WC Which wheel is goosed? Is it the front or rear? Guessing its the rear? See you tomorrow etc...

    Posted 12 years ago #

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