Bike fit - stationary vs outdoors (discomfort)

[Andreas]

This is a very common issue. Indoor training is much more static. Stand every now and then to relieve pressure. I try to do it every 10-15 minutes. The issue is also discussed in this thread:

Rear Pain During Long Indoor Rides

I’ve started doing some 2 hours rides on the trainer and have noticed my rear to starts to hurt around the 1:45 mark. I’m not experiencing numbness, sharp pain just an ache that says get off the seat. It is not the pelvic bones that are hurting, more the rear muscles. I don’t feel any of this type of pain while rides outdoors, which leads me to believe that sitting in one or two different positions inside (not stopping, unclipping, etc while outside) is causing the pain. I purchased new Raph…