Our Go Series units (T101, T202, T303) have rollers that are tapered measuring 46mm/42mm.
Our Studio Series units (7.0 AT, 7.4AT, 7.8AT) have rollers that are tapered measuring 60mm/46mm.
The largest part of our rollers fit in the center of the frame and taper on the sides to sit in the frame.
Larger rollers increase the durability of a treadmill as they reduce tension on the belt to help the treadmill last longer.
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