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K2 Radical Pro X Boa Inline Skates

EUR 399,95
K2 skates, snowboards, skis and gear
Please select shoe size 
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For the experienced skater who wants to bridge the gap between training and racing.
It starts with an ultra light and breathable version of the K2 Original Softboot, combined with a “shift on the fly” Boa Closure System that delivers supreme comfort. Performance Hi-Lo technology is infused to create a fast skate that maneuvers like one of its shorter framed cousins, and the Radical cuff delivers the right amount of support to put you ahead of the pack.

Brake: K2 Brake pad

* The Boa-system has a lifetime warranty, if a technical defect occurs fill out the datasheet here: Boa Warranty


Boot/Shell type:
Wheel diameter:
2x100mm, 2x110mm
Wheel hardness:
Liner features:
Built-in, Ventilated, Anatomically shaped
Buckle, BOA
Bearing precision:
Frame type:
Hi Lo
Deck height:
Frame material:
Aluminium, 6000 Series
Max wheel diameter:
Boot material:
Mesh, Plastic, Composite
Liner material:
Mesh, Memory foam
Low lateral support, V-Cut
195mm, Across
Yes, Included (optional)
Recommended for:
Training skating


Now on my second pair which also have the same defect as the first pair. I made a modification to the second pair which seems to have removed the defect see below. The fibre-glass sole or shoe which is attached to the bottom of each skate have an offset/angle of around 2 degrees outward (in opposite directions to each other on each skate). Basically the offset or angle cants the alloy frame attached to the fibre-glass sole in an outward direction (making the outward push easier and stopping the skate tucking under). However, on my left-hand skate the offset is inward making the skate "tuck-in" on left-hand corners when going in a anti clockwise direction. My remedy was to place a thin metal shim on the inside of the skate between the fibre-glass sole and alloy frame thereby removing the inward cant. This is obviously a manufacturing defect as it appeared in both pairs of skates. I also find the top of the cuff (L/H skate again) rubs on the inside of my left ankle.
Ron Stuart-Moonlight (Folkestone)
Rating: 2 of 5!
Reply from SkatePro:  We are very sorry to hear that you are having some troubles with your skates. Please do not hesitate to contact us, if you would need assistance. It seems like you managed to make it work yourself, but if you are still not completely satisfied, we will gladly have a look at them in our workshop.