From Wikinline

Specifications

Part	:	Rollerblade Alu UFS frames (2009-2010) - Frames
Sizes	:	243mm/273mm
Spacing	:	UFS

Overview

The frames from the Fusion X5 and Fusion X7 skates.

Details

• Exists in 2 sizes, 243mm for 80mm wheels max and 273mm for 90mm wheels max.
• The original text on the frames comes off very easily with acetone.
• No bridges in the structure.
• The weight without axles is 186g for the 243mm version and 219g for the 273mm version.

Original Parts

• Rollerblade Speed axles.
• Rollerblade Fusion brake support.

Compatible Parts

• Speed axles.