# How should I select front and rear gears?

5 min read

##### Asked by: Christy Smith

## How do I choose a set of gears?

Quote from video: *Make sure that you remember that you're going to be restricted in most countries to the size of gear that you can use 252. By 14 if you'd like to learn how to change your gears like a pro.*

## How do I choose gear ratio?

To calculate the gear ratio:

**Divide the number of driven gear teeth by the number of drive gear teeth**. In our example, it’s 28/21 or 4 : 3. This gear ratio shows that the smaller driver gear must turn 1,3 times to get the larger driven gear to make one complete turn.

## What gear ratio is best for speed?

In the real world, typical street machines with aspirations for good dragstrip performance generally run quickest with **4.10:1** gears.

1 дек. 1998

## Which gear system is best for cycle?

**A high gear, sometimes referred to by cyclists as a ‘big gear’, is optimal when descending or riding at high speeds**. The highest, or biggest gear on a bicycle is achieved by combining the largest front chainring size with the smallest rear cog or sprocket — expressed as ’53×11′, for example.

## Which gear is best for uphill?

The thing you need to remember is that you should use **low gears (L, 2, and 3)** when driving through uphill roads as it gives your car’s engine more power.

## Which gear is best for road?

**High Gear**. This one is great for descending, accelerating, or for use when you want to go nice and fast on a flat road. In a high gear, you travel a long way for each turn of the pedal.

## Can you have different gear ratios front and rear?

**Yes.** **It is possible to have different axle gear ratios for the front and rear wheels of your car**. However, the difference should not exceed the accepted range. There is a maximum accepted deviation between the front and rear axle gear ratios to keep your transfer case safe.

## What is a good gear range?

Gear Range and Steps Between Gears

To summarize the above advice, a range of gear ratios from about **0.8:1 to 1.0:1 up to about 3.8:1 to 4.0:1** is reasonable. Total desired gear range in percentage is therefore 380 to 500% (4.0/0.8 * 100% = 500%), so I’ll use 400% to keep things simple.

## Do lower gears have more torque?

In short, **lower gear gives higher torque at the wheel** and higher acceleration and lower car speed. Higher gear gives lower torque at the wheel and lower acceleration and higher car speed.

## What gear ratio is best for street racing?

If we have a daily driver, 2.55 to 3.25 gear ratios typically work best, whereas a street/strip application we would usually use a **3.42 to a 3.90** gear ratio, and race applications most commonly use a 4.10 and above gear ratios.

## What are 4.10 gears good for?

This equates to a greater amount of power transferred to the wheels. Installing 4.10 gears **improves the car’s performance on the track but with negligible effects to the highway driving**. If your car is equipped with an overdrive, you may not even notice a difference in gas mileage with the new higher gearing.

## Does higher gear ratio mean faster?

Gear ratios can be boiled down to a single statement: Higher ratios (with a lower numerical value) give better torque/acceleration and lower ratios allow for higher top speeds and better fuel economy. **Higher ratios mean the engine has to run faster to achieve a given speed**.

## Which gear is best for downhill?

Use lower gears to go downhill

When you start to head back downhill, use your engine and transmission to slow the car down instead of the brakes. Shift to a lower gear before you start heading downhill, as this will help slow down the car without you having to ride the brakes, says the National Park Service.

## What gear is used for driving downhill?

Use a low gear when going downhill.

This is the most important thing you should do when you’re driving downhill. Using a low gear will help you to control your car’s speed. Moreover, using a low gear would engage engine braking–a technique that prevents your car’s brakes from overheating.

## Is gear 1 high or low on a bike?

Quote from video: *Похожие запросы*

## What are the basic factors affect the gear selection?

In our experience, at a simplified level, there are three factors that are most important when selecting a gear material. They are **strength, durability, and cost**, which includes both the cost of the material and the cost of manufacturing.

## What has to match for gears to mesh?

In order for the gears to mesh, the space between the gear teeth of each gear, in other words **the pitch (p) must be equal**. The pitch of a gear indicates the size of the gear tooth, but because the pitch contains the circular constant π (3.1415…), it is not a convenient number.

## How do you determine rear end gear ratio?

Quote from video: *You're basically trying to decide. At what rpm is your engine going to be spinning at a specific mile per hour. So you can find mile per hour or find rpm let's click on fine rpm.*

## How do you measure gears?

**Steps**

- Count how many teeth a sample spur gear has z =
- Measure its tip diameter da =
- Estimate an approximation of its module, assuming that it has an unshifted standard full depth tooth, using the equation:
- Measure the span measurement of k and the span number of teeth. …
- This difference represents pb = πm cos α

## What are the 4 types of gears?

**Different Types of Gears and Uses**

- Spur gears.
- Helical gears.
- Bevel gears.
- Worm gears.
- Rack and pinion.

## What does 32 pitch gear mean?

Basically its the size of the gear teeth. 2 gears together need to match. For example the pinion and spur need to be the same type. 32 pitch is **larger teeth than 48**. Specifically it’s the number of teeth per inch of gear pitch diameter.