From Wikinline

Specifications

Model	:	Powerslide R4 (2010) - Speed
Type	:	Hard Shell (laces + double front strap + heel buckle + top strap)
Frames	:	Aluminium (12.8")
Wheels	:	Powerslide Infinity 100mm/90mm 85A (max 3x100+1x90mm)
Bearings	:	Powerslide ABEC7 Freespin
Spacers	:	8MM
Sizes	:	37-46 EU

Overview

Marathon skate from Powerslide, very similar to the Powerslide R2 speed skate.

Details

• Composite shell.
• Available as boot only.
• The original frame is the 12.8" 3x100mm + 1x90mm version from 2009.
• Sizes 37 and 38 EU have 165mm mount spacing.

Original Parts

• Powerslide Venom frames.

Compatible Parts

• 195mm mount spacing frames.