From Wikinline

Specifications

Part	:	Rollerblade Switch frames (2008-2010) - Frames
Sizes	:	256mm/286mm
Spacing	:	UFS

Overview

The composite frames from some of the Rollerblade aggressive skates.

Details

• Allows front and rear wheels up to 76mm on the original boots, slightly less on boots with a completely flat bottom.
• Exists in 2 sizes, the size is written on the top of the frames.
• Size 1 for skates sizes 21.5-28.5 measures 256mm.
• Size 2 for skates sizes 29.0-30.5 measures 286mm.

Original Parts

• Rollerblade Switch frame spacers.
• Rollerblade Switch axles.