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Crank lengths typically range from 165mm to 175mm [7]. A common rule of thumb is to choose a length that is roughly 41% of your tibia length (measured from the ankle bone to the knee joint) [5].

Ensure the crank matches your Bottom Bracket (BB) standard (e.g., Threaded, Press Fit, or Square Taper) [12, 13]. 2. Installation: Pro-Level Setup CrankHD

Thoroughly clean the bottom bracket shell and apply a thin layer of high-quality grease to the spindle and splines to prevent seizing [11]. Crank lengths typically range from 165mm to 175mm [7]