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Bottom Bracket Spec

  • 19-10-2010 3:24pm
    #1
    Deisetrek
    Registered Users, Registered Users 2 Posts: 274 ✭✭


    Need to replace the bottom bracket on my Trek 2.3 . Spec is as follows Shimano 105 SM -FC 5600 . Written on one of the cups is BC1.37 X 27 ROAD . I notice this one on CRC http://www.chainreactioncycles.com/Models.aspx?ModelID=11726 has BC 1.37 X 24 ROAD . I'm assuming that the 24 and 27 are TPI and that the discrepency means that they are not compatible , and I can't use the 24 TPI one ? Have e-mailed CRC with a query on it , but they've not got back ......anybody help ?? Thanks


Comments

  • #2
    victorcarrera
    Registered Users, Registered Users 2 Posts: 1,059 ✭✭✭victorcarrera


    That won't fit. It is the correct diameter but the wrong thread pitch.
    Check out this link before you order for compatability.
    http://www.sheldonbrown.com/gloss_bo-z.html#bottom


  • #3
    Deisetrek
    Registered Users, Registered Users 2 Posts: 274 ✭✭Deisetrek


    victorcarrera wrote: »
    That won't fit. It is the correct diameter but the wrong thread pitch.
    Check out this link before you order for compatability.
    http://www.sheldonbrown.com/gloss_bo-z.html#bottom


    Thanks for the reply Vic , in actual fact I checked when I got home from work this evening and the BB has 24 TPI after all ! Should have put my reading glasses on last nite , so the CRC BB ( and the one Stokolan gave me to check out ) are in fact compatible . Feel a right d***head now after e-mailing CRC technical dept too ....:rolleyes:


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