XUANWU makes these 3 or 4 wheel convertible inline speed slalom skates in adult sizes. They have alloy skating frame that can use up to 4X80mm or up to 3X110mm wheels.
Shoe Width: Medium(B,M)
Outsole Material: Plastic
Feature: Breathable
Upper Material: PVC
Insole Material: EVA
Closure Type: Lace-Up
Gender: Men
Release Date: Spring 2016
Fit: Fits true to size, take your normal size
Level Of Practice: Advanced
Lining Material: Synthetic
Frame: Alloy 3x110mm / 4x80mm skating frame
Wheel: 4X80mm Max or 3X110mm Max