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  1. #1
    mtbr member
    Reputation: nathasm's Avatar
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    TruVativ BB for Giant NRS

    I'm looking at purchasing a TruVativ BB for my Giant NRS but am not too sure which size I need. I'll be running TruVativ Stylo team cranks and the options for the BB are:

    68mm Wide 48.5 MTB / 68 & 73 BB shell compatible via spacer
    68mm Wide 51 MTB / 68 & 73 BB shell compatible via spacer

    I'm not too sure what the 48.5 and the 51 represent so I'm not too sure which model I need. Any ideas?
    .nathan.

  2. #2
    mtbr member
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    Neither am I...sure you got it right???

    Quote Originally Posted by nathasm
    I'm looking at purchasing a TruVativ BB for my Giant NRS but am not too sure which size I need. I'll be running TruVativ Stylo team cranks and the options for the BB are:

    68mm Wide 48.5 MTB / 68 & 73 BB shell compatible via spacer
    68mm Wide 51 MTB / 68 & 73 BB shell compatible via spacer

    I'm not too sure what the 48.5 and the 51 represent so I'm not too sure which model I need. Any ideas?
    .nathan.
    The BB should have a number like 68-113, diameter and length. I think that is the correct size for the '03 and previous NRS's. However, it does depend on the crankset. For example the LX requires a 118 or 121 (can't recall right now.)

  3. #3
    stickinmyderailer
    Reputation: hker438's Avatar
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    my race face on an 02 nrs2 is 68/113

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