Interesting about motorcycles

What is rake and trail on a motorcycle

What is the rake and trail on a motorcycle?

In short, anything that affects the way the bike sits in relation to the road. For example: installing a larger tire at both ends of the bike adds trail because raising the bike, even slightly, increases the angle between the steering head and the road. This adds rake, which increases trail.

How is a motorcycle rake determined?

Raise the bike to an upright position, using a tape measure, hold the tape straight down from the front axle to the floor. Put a mark on the floor at that point. Then place the tape parallel to the steering neck, following the angle of the steering neck all the way up to the floor. Put a mark here also.

How does trail affect motorcycle handling?

Less trail reduces steering effort and high-speed stability, while more trail increases straight-line stability while increasing turning effort. As with rake, sportier tend to have less trail, while cruisers tend to have more trail.25 мая 2017 г.

Can you change the rake on a motorcycle?

One of the most common modifications to our bikes is to lower the rear end. As the rear of the bike goes down the steering head angle steepens increasing the rake and trail. … In order to bring trail figures back into line, triple trees with raked steering stems can be used. Usually adjustable in 3, 5, 7 degrees of rake.

What is a good lean angle on motorcycle?

If I use a coefficient of 0.7, this would give a lean angle of 35 degrees. However, racing motorcycles can lean over 60 degrees.

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Does lowering a motorcycle affect the handling?

Effects on Handling

“When you lower a bike, you also lower its center of gravity, so it’ll handle a bit better in certain circumstances,” says Langley. “The negative is that your initial ground clearance is decreased. Things you used to clear, like curbs or speed bumps, might now be a problem.”

What is the difference between rake and trail?

Rake (also called caster) is the angle of a motorcycle’s steering head of the frame (A). … Trail (B) is measured in distance (inches or millimeters) between the point of the front wheel’s contact with the ground and a line drawn through the axis of the steering head.22 мая 2015 г.

What is stretch on a motorcycle frame?

Stretch and Rake:

Simply stated, stretching a motorcycle is changing the length of the backbone and bottom rails (the downtube portion of them) to move the steering neck to a more desirable position.

How does rake affect handling?

Fork rake or fork offset is a key factor in the handling of a bike. … The amount that the fork is offset from this imaginary line is known as fork rake in road bikes, or fork offset in mountain bikes. Increasing the offset will make steering faster, conversely decreasing it will slow it down.

What does trail mean on a bike?

caster

How does wheelbase affect motorcycle handling?

The longer the wheelbase, more the stability and less the maneuverability; smaller the wheelbase, less the stability and more the maneuverability. … The ground clearance also plays an important role in the handling of the bike, hence even that has to be considered when playing with the wheelbase of the bike accordingly.

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How do you calculate bike trails?

To measure the trail of a bicycle, draw an imaginary line that extends through the steering axis (i.e. through the length of the headtube). Ignore the fork. Draw another line that passes through the front axle and is perpendicular to the ground. It will touch the ground at the center of the front tire’s contact patch.

How do you measure forks on a motorcycle?

Fork length is measured from the base of the frame neck to the center point of the axle mounting hole. For any off-the-shelf motorcycle this standard measurement for the front forks is considered stock length.

What is a motorcycle Triple Tree?

A motorcycle fork connects a motorcycle’s front wheel and axle to its frame, typically via a yoke, also known as a triple clamp, which consists of an upper yoke joined to a lower yoke via a steering stem, a shaft that runs through the steering head, creating the steering axis.

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