What is the purpose of a setback seatpost?

A setback post puts you further behind your crankset and a straight seatpost moves you closer. The amount of setback or offset is best determined through a basic bike fit at a participating bike shop.

Do I need seatpost setback?

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 do you measure a setback on a seatpost?

It’s measured from the seatpost centerline to the center of the clamp….Most manufacturers do this:

1. 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.
2. extend that straight line past height of the seat rail clamps on the post.

Is carbon more comfortable than Aluminium?

Furthermore, carbon tends to dampen vibration better than aluminium, simply because of its material properties adding to the comfort aspect. It is worth noting however that frame material is only one, small part of overall comfort on a bike.

What is setback on a bike?

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).

What is offset on a bicycle seat post?

Offset or layback Offset or “layback” can range from 0 mm to 45 mm. A seatpost with offset is necessary when the seat tube angle of the frame is too steep to give the desired saddle setback (the horizontal distance between a plumb line hung from the nose of the saddle and the bottom bracket spindle).

What is an offset 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.