Talk to a good saddle fitter. The placement of the stirrup bar has a lot to do with stability in the seat. Fitness. Not pinching with the knee. Those things are also involved but the stirrup bar placement can make a dramatic improvement. Good luck.
Talk to a good saddle fitter. The placement of the stirrup bar has a lot to do with stability in the seat. Fitness. Not pinching with the knee. Those things are also involved but the stirrup bar placement can make a dramatic improvement. Good luck.