Crank Arm Length Chart
Wondering what size Crank Arm is right for you?  Check out the chart below and maybe it will help narrow down
those decisions.

        Rider Inseam                     Crank Arm Length
                20"                                 140 mm
                21"                                 145 mm
                22"                                 150 mm
                23"                                 155 mm
                24"                                 160 mm
                25"                                 162 mm
                26"                                 166 mm
                27"                                 171 mm
                28"                                 175 mm
                29"                                 177 mm
                30"                                 180 mm
                31"                                 182 mm
                32"                                 185 mm
                33"                                 185 mm
                34" +                              190 mm
For Reference Only