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