Crank Size Road Bike at Wallpaper

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Crank Size Road Bike. If you are changing the cranks on an existing bike. A good bike fitter will help you find the best crank arm length for you.

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The bike size is measured from where the seat post starts and to the crank. Most road bicycles, triathlon bicycles, and mountain bikes come with crank arms that are too long for the average cyclist. Fortunately, there are some pretty well defined standards for size:

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This measurement is based on a bottom bracket mounting and a pedal axle mounting at both ends. Crank length (cm) 6'0 (1828mm) 177.5mm. 5′ to 5’3″ under 27″ inseam: Get a bike fit and then buy a cheap crank or borrow a crank.