- 1 What is a good fork offset?
- 2 Does fork offset make a difference?
- 3 What does 44mm offset mean?
- 4 What does increasing fork offset do?
- 5 What offset wheel do I need?
- 6 How do I find my fork offset?
- 7 What does 45 offset mean?
- 8 What does fork rake mean?
- 9 What is short offset?
- 10 Whats is offset?
- 11 What is 12mm wheel offset?
- 12 How does fork rake affect handling?
- 13 How much does fork travel affect head angle?
- 14 How does fork length affect head angle?
What is a good fork offset?
For mountain bikes, the sweet spot that provides a good balance between stability and agility is around 80-100mm of trail. Many mid-travel bikes settle near 90mm with a 51mm offset fork.
Does fork offset make a difference?
Both the headtube angle and fork offset can change the length of the trail number. By making the head tube angle slacker (decreasing the angle) you will make the trail longer. By reducing the fork offset, you will also make the trail longer.
What does 44mm offset mean?
A reduced, 44mm offset fork allows the rider to run a slacker geometry with a similar wheelbase, but still enjoy a stable steering platform without sacrificing traction, stability, and control.
What does increasing fork offset do?
Offsetting the fork more (increasing offset) pushes the axle further in front of the head angle. By reducing the fork rake (offset), the head angle remains the same for stability at high speed and down steep and rough trails, but the wheel is closer to the steering axis for better handling, especially at slower speeds.
What offset wheel do I need?
As a general rule of thumb, most front wheel drive vehicles have a positive offset. If you want to put wider wheels on your vehicle than OEM, you generally need to reduce the offset. On the other hand, frequently you find rear wheel drive vehicles have a negative offset.
How do I find my fork offset?
Measure the height of the fork dropout off the top of the flat surface (Dim A). Measure the height of the center of the steerer tube off the top of the flat surface (Dim B). Subtracting Dim B from Dim A will result in the fork offset or rake.
What does 45 offset mean?
This is of course width-and-diameter dependent, as an ET25 would be for a smaller size, while an ET of 45 would be for an 18″x9″ inch wheel. For example, an ET45 wheel measurement has a positive offset of 45mm, which means that the mounting face is 45mm in front of the centre line.
What does fork rake mean?
Fork Rake is also known as Offset, which more accurately describes what it is: the hub’s offset from the steering axis. Not to be confused with the curvature of the fork blades, which some people think of as “rake”. Fork offset determines trail when considered with head angle (and the diameter of the wheel).
What is short offset?
What Does a Shorter Offset Accomplish? Bikes with a longer front-center and a slacker head angle push the front wheel further away from the mass of the rider. Shorter offset helps balance handling characteristics to enable the bike to be ridden comfortably and quiets steering, helping stabilize the front wheel.
Whats is offset?
Offset is how far the front axle is ‘ offset ‘ from the steering axis. Trail is the distance between the contact patch of the tyre and where the head angle line hits the floor.
What is 12mm wheel offset?
The offset of a wheel is the distance from its hub mounting surface to the centerline of the wheel. A wheel with a -12mm offset would have a hub mounting surface 12mm inside of the wheel centerline, or closer to the back side of the wheel lip.
How does fork 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.
How much does fork travel affect head angle?
As the fork gets longer, it raises handlebars up and slackens the head tube angle. As a rough estimate, each 20mm of travel added will correlate to a one-degree difference in the head tube angle.
How does fork length affect head angle?
Over-forking Bumping the fork travel up by 20mm, to 150mm, will slacken the head angle by approximately 1° and increase the front centre measurement by 10mm.