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when to replace wheel rims on bike

  • 24-07-2012 4:31pm
    #1
    thebourke
    Registered Users, Registered Users 2 Posts: 1,366 ✭✭✭


    I have a 3 year old hybrid bike which i have cycled nearly 13,000km commuting to work ..what i want to know is when should the rims be replaced or does it make a difference?the rims are alexrims....


Comments

  • #2
    fremont9
    Registered Users, Registered Users 2 Posts: 10 ✭fremont9


    I'd say never, if you can get away with it. The only time I've ever replaced a rim is after a crash that buckled my front wheel to bits.


  • #3
    Mycroft H
    Registered Users, Registered Users 2 Posts: 9,313 ✭✭✭Mycroft H


    When the breaking surface has been worn away


  • #4
    Wicklowrider
    Closed Accounts Posts: 1,029 ✭✭✭Wicklowrider


    BX 19 wrote: »
    When the breaking surface has been worn away

    Some rims have a " wear indicator" a recess into the rim wall that is normally painted black -
    http://www.chainreactioncycles.com/Models.aspx?ModelID=29089
    look at the enlarged image on these and you will see it on the rim wall above the decals. When this shows wear you replace them. On a rim that has no wear indicator use a dead straight edge ( steel rule is good)
    and hold the EDGE against the the rim. If you can fit a standard business card between the edge and the rim it needs replacing.

    I had a front worn rim blow apart coming down the devil glen once and I am fanatical about caring for rims since


  • #5
    Al Wright
    Registered Users, Registered Users 2 Posts: 168 ✭✭Al Wright


    Some wheels have a wear indicator, such as a groove or an indent from the inside which shows up as a hole when rim has excessive wear.
    Here's a link to the topic of rim wear on the CTC (UK) website.

    http://forum.ctc.org.uk/viewtopic.php?f=5&t=64965

    My experience when commuting in the city was that the rims usually lasted about 8,000 km, wear being severe due to speed and frequent braking.

    Some entry level wheels are uneconomic to rebuild.


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