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  1. #1
    Senior Member sanford_w/o_son's Avatar
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    "RPM" crank (versus "iro" crank)

    in the "build kit" at this time, iro offers a black crank labelled "rpm" for the 165 and 170 length option, and the "iro" crank for the 175 length option. this begs the question: does anyone know how the rpm crank compares to the iro crank? or how the rpm cranks performs in general? thanks.

  2. #2
    BIG RING Bikeophile's Avatar
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    RPM is pretty standard on a lot of entry level Fixies. I think Fuji has the Truvativ (double converted for SS) crank now, but they used to have RPM's on them. There's nothing special about them, but I haven't heard of any issues (similar to the IRO crank).

  3. #3
    Senior Member
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    175 is too big anyways.

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