The difference between the two models is that the 207 featured full suspension front and rear, whereas the 206 had a rigid frame.
In the past mountain bikes had a rigid frame and fork.
A giant Connecticut state seal graces the rigid frame's center.
Second, the (heavy) engine is part of the moving structure, which requires a rigid frame and strong tracking system.
Some feature rigid frames derived from the white water rafting industry.
The canvas is stretched across a rigid wooden frame, called a stretcher.
Probes were mounted on a rigid frame, or placed individually.
The rigid frame created by the concrete box cells made the structure 60 percent longer than any such bridge previously constructed.
For those suspicious of the new technology, a rigid frame remained available.
It is also possible to knit using rigid frames that hold the active stitches.