Road Bike Gear Chart

Gear ratio s in the bike gear ratio chart are determined by dividing the number of teeth on the front chainring by the number of teeth on the rear cog. Low temps and high winds will dictate a mountain bike to reduce wind chill and provide lower gearing for spinning to generate more internal heat. A larger number indicates a large gear that is harder to turn over and is used for higher speed.

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Bike Gear Ratio Chart Bicycle Gear Bmx Bicycle Bike Gear

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3 is green 2 3 blue and below 2 red.

Road bike gear chart. The sturmey archer brompton bwr takes two sprockets but other models are included in the list for the benefit of tinkerers see discussion. Too high tech for you. Colors group similar values. The following speeds are calculated using a wheel size of 700c and a tire diameter of 25mm.

If your tire size is slightly smaller the speeds will be ever so slightly lower while the larger the tire the speed will be ever so slightly higher. A smaller number is easier to accelerate and can still be pushed on steep climbs. With these conditions on a road bike i take a helmet cover to reduce all the heat loss through a ventilated helmet. The sram sachs 3 x 7 3 x 8 3 x 9 3 x 10 and the sturmey archer cs rf3 and cs rk3 are the only recent current production internal gear hubs designed to use rear sprocket clusters.

A road bike s groupset or gruppo refers to any mechanical or electronic parts that are involved in braking changing gear or the running of the drivetrain. How to choose the right gear ratios for your road bike gear ratios can make or break your ride so choosing the right ones for you is vital to getting the most out of cycling. Besides wind and temp i factor in type of bike and terrain. 80 is green 50ish 80 blue and below 50 red.

Colors group similar values. Road bike gear speed chart.