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Tuesday, 24 June 2008 |
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The Below chart is a guide on the crank sizing for BMX racing. Crank Sizing Chart | | Inseam | Under 19" | 20" | 21" | 22" | 23" | | Crank Length | 135mm | 140mm | 145mm | 150mm | 155mm | | | | | | | | | Inseam | 24" | 26" | 27" | 28-29" | 30-31" | | Crank Length | 160mm | 165mm | 170mm | 175mm | 180mm | | | | | | | | There is no magic formula to determine crank size. Inseam length as well as riding | style should both be considered. The Golden Rule to crank arm lenght is to always | ride the longest crank you can before your hips sway side to side. Once the hips | start moving side to side, then you know the cranks are too long. | This chart does not guarentee a proper fit, it just helps you get started |
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