What does a setback seatpost do?
A setback post puts you further behind your crankset and a straight seatpost moves you closer. They will look at the relationship between your knee and pedal axle, as well as your hip angle/mobility and will determine how far you should sit behind your crankset.
What does offset mean on seatpost?
Offset is the distance between the centerline of the seatpost tube, and the centerline of the clamp area. Shims are often available to adapt a too-small seatpost to a too-large seat tube.
How is seatpost setback measured?
It’s measured from the seatpost centerline to the center of the clamp….Most manufacturers do this:
- trace an imaginary line (or tie a string) along the center of the seatpost entry into the bike a few inches down the seat tube.
- extend that straight line past height of the seat rail clamps on the post.
Do I need seatpost setback?
Touring, city, and recreational riders tend to need more setback then a racer does. The more upright position requires more setback to put your legs in a more efficient bio-mechanical place. The other factor is the rail length of the saddle. Different saddle makers have different rail lengths.
What is saddle setback?
Saddle setback in cycling refers to the horizontal distance between the centre of the bottom bracket and the front tip of the saddle. Using COG, the optimal saddle setback is said to occur when the rider is well balanced and does not have to expend excessive muscular energy to support their weight (Bontrager 1998).
Do you need a setback seatpost?
Achieving a good weight balance nearly always requires a setback seatpost, to move the saddle back and reduce weight on the riders hands. I found that moving my saddle back not only improves comfort, but also allows me to tolerate more saddle to handlebar drop.
How much is a saddle setback?
You should be able to hold that position for at least 5-8 secs before falling forward. Anything shorter and you have too much weight on the front of the bike.
How do you measure a setback saddle?
Your setback is measured as the distance between the vertical planes of the center of your bottom bracket and the nose of your saddle.
Do I need setback on my seatpost?
What is setback on a bike?