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Replace rims on FCR3 stock wheels.

  • 05-03-2010 03:45PM
    #1
    cdaly_
    Registered Users, Registered Users 2 Posts: 6,440 ✭✭✭


    So, having replaced my FCR3's stock wheels (rims worn out), I'm now thinking of rebuilding them with new rims.

    LBS is quoting €15-20 each for rims plus €20 each for the build (or €10 for truing if I lace the wheel myself). They said they could turn it into a lesson if desired.

    Questions are:

    1. Will those (unknown) rims be any good?
    2. Is there any point in rebuilding the stock wheels (32 spoke unnamed alloy hubs)?
    3. If so, do I use the existing stainless steel spokes?

    The wheels have about 10,000-12,000 km on them and still run true, are quiet (no bearing / freehub noise).

    My current new wheels are a pair of Mavic Aksiums with about 1000km on them thus far...


Comments

  • #2
    ednwireland
    Registered Users, Registered Users 2 Posts: 14,688 ✭✭✭✭ednwireland


    answers to 1 and 2 probably not

    i got brand new tiagra on mavic open sports and the back (36 spoke ) has had 2 spokes go

    what you using the bike for ? commuting

    My weather

    https://www.ecowitt.net/home/share?authorize=96CT1F



  • #3
    blorg
    Registered Users, Registered Users 2 Posts: 15,995 ✭✭✭✭blorg


    If getting new rims get something decent like Mavic Open Pro or CXP33. So much of the cost is in the build it is a false economy to get cheap rims IMO. As for the hubs the bike shop could probably advise whether it is worth it. The stock wheels with Giants are not very good I don't think but mine were very reliable after they had a bit of attention.

    The prices they are quoting seem reasonable.


  • #4
    cdaly_
    Registered Users, Registered Users 2 Posts: 6,440 ✭✭✭cdaly_


    The bike is primarily for commuting (only bike though so also for all other purposes).

    The Mavics look nice but they would probably need better hubs and, once I've gone that far, I'd probably have to get spokes too. OTOH, given that I'm now running Aksiums (cost EUR125 for the pair) I'd end up spending more on the rebuild than on another set of wheels. Admittedly I'd likely end up with better than the Aksiums (once I'd learned to build them properly).

    That said, the stock wheels are grand apart from rim wear. They've held up beautifully through 18 months of commuting and thousands of km.

    Maybe best option is to get reasonably priced rims and use them to learn on so I can build better wheels later. They can then standby as spares or something...


  • #5
    papac
    Registered Users, Registered Users 2 Posts: 739 ✭✭✭papac


    Maybe best option is to get reasonably priced rims and use them to learn on so I can build better wheels later

    Couple of things to watch out for here.(You may know this of course).

    1. ERD or effective rim diameter must be reasonably the same on old and new rims or your spokes will be wrong length.
    http://en.wikipedia.org/wiki/ISO_5775#ERD_-_Effective_Rim_Diameter

    2. Cheap, low quality rims can be more difficult to build and get laterally and radially true.

    Have a go though. Building your own wheels is a great buzz.


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