Bike Gear Ratio Formula at Wallpaper

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Bike Gear Ratio Formula. The rear wheel diameter, measured in inches, can be changed to select typical bicycle wheel diameters. Calculation formula (tire circumference x gear ratio x rpm x 60min) speed.

Gear Ratio Poster A Chromatic Guide to Bicycle Gear Ratios… Flickr
Gear Ratio Poster A Chromatic Guide to Bicycle Gear Ratios… Flickr from www.flickr.com

This term is called gear inches in the u.s. This means that for every 1 revolution of the crank, the rear wheel spins 1.8 revolutions. Basically, the ratio is determined by the number of teeth on each gear wheel, the chain is ignored and does no enter the equation.

Gear Ratio Poster A Chromatic Guide to Bicycle Gear Ratios… Flickr

Check your work with an online gear ratio calculator or table (see resources). The alpha one has a gear ratio of 1.8. The rear wheel diameter, measured in inches, can be changed to select typical bicycle wheel diameters. That means that a 300 per cent range would offer a 3:1 ratio.