Mountain Bike Vs Road Bike Gear Ratio

Fd s need to be shaped to the number of chainrings typically 2 less so common 3 on a road bike vs often 3 on a mountain bike as well as the size of the chainrings. Road bike gears offer something very different to off road bikes speed. To keep things simple let s look at just 29ers.

road bike silver crankset used xl mountain bike frame shimano 105 st 5800 road bike gear levers scott road bike frame size guide road bike saddle pouch yellow carrera mountain bike road bike carbon handlebars road bike with kid trailer

Bike Gear Ratio Chart Bicycle Gear Bmx Bicycle Bike Gear

Content Idea Bmx Bikes Bike Gear Best Bmx

Standard Mtb Gearing And Speed Chart 90rpm Road Mountain Bike

26 mountain bike wheel will travel smaller distance for one turn compared to a 28 road bike wheel.

Mountain bike vs road bike gear ratio. But you ll only really understand the difference after you ve done a few miles on tarmac. A road bike with 170 mm cranks. Know that this value does depend on wheel size. Any other difference can be overcome.

Now for exact gearing the wheel diameter needs to be taken into consideration. The biggest difference between a mountain bike and a road bike is gear ratio. Using a gear inch chart is one way to compare gear ratios without riding the bike. For one revolution of the pedal your bike will travel a certain number of inches.

With bicycle gearing it is important to have two things. The radius ratio 2 0 x 53 19 5 58 this number is a pure ratio the units cancel out. 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. Most 8 and 9 speed shimano mountain bike and road kit is inter compatible because they both use the same cable pull ratio.

The usual generic diameter value for road wheels is 680 mm so the radius would be 340 mm 340 mm 170 mm 2 0. An intro to bike. I call this a gain ratio with thanks to osman isvan for suggesting this term. So with the same chainrings ratio gearing on a road bike will be higher than on a mtb.

You can change tires increase pressure lock out your suspension and use clipless pedals but if you are on a typical mountain bike your gearing will still limit you to a speed which is roughly 30 slower than the same effort will produce on a mountain bike. This means that you can use an 8 or 9 speed mountain bike derailleur. Choosing lower gear ratios will help you learn the ways of the roadie and it won t be too long before you re regularly using the highest gears on the flat. The rear cassette is often smaller on a road bike as well you won t see a 36t big rear cog on many road bikes unless they re touring bikes.

That is one factor. Here s a simple way to think about gear inch combinations.