Dec
10
On a 27 speed bike is a high gear the smaller sprocket?
On a 27 speed bike is a high gear the smaller sprocket. I was just wondering if I am in a high gear will I be using the smallest cog on the rear wheel.
Basically, yes. Smaller gears at the back or larger at the front are harder to crank … i.e higher gears.
You can get an indication* of the gear on a bike using the formula: # teeth on the chainring (big gear) / # teeth on the rear cog. The higher the number, he harder (higher) the gear. So 50/25 = 2 is an easier gear than 50/17 = 2.9. Also you will discover that different combinations are actually the same or nearly the same gear ( for example 50/25 would be identical to 44/22).
* The complete formula for “GEAR Inches multiplies the cog ratio by the wheel diameter (in inches, assumed to be 27″ on a road bike), so a 50/17 is actually a “54 gear inch” gear … relatively moderate. A 30/28 ratio (29 gear inches) would be a much easier gear … suitable for steep hills, while a 52/13 ratio (108 gear inches) would be a “big” gear for flats or downhills.
Hope that helps.
Ke.Pad.Ke – Keypad Entry for Dorm Room – Brief Demonstration
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