Echo Sonar 3-Wheel Skates Size:UK5 / US6 / EU38 We recommend keeping them tight

We recommend keeping them tight for beginners

4x90 Enhanced Flat (all axles rockered up) is possible for an ultra-low 90 mm setup

Knee: 22-30cm

Industrial grade materials

Please consider this when choosing your size

Echo Sonar 3-Wheel Skates Size:UK5 / US6 / EU38 We recommend keeping them tightEcho's second venture into the general use skate market is looking fresh. It's a hard shell boot including the same comfortable liner as their aggressive models, a top buckle with a super supportive 45 ratchet mid strap and proprietary hardware for the frame attachment system, which keeps your foot low to the ground. Please note that the frame mounting system is incompatible with any other brand's frames. If you intend to use this boot with your