Chaya Ruby — start your roller derby adventures here: a striking, high-end look with all the tools a newbie needs to rule the derby track, at an accessible price.The GFRP outsole includes a torsion bar — a sophisticated bridge that combats improper flexing and delivers crucial stiffness underfoot. The low-cut boot in mesh and PU leather increases ankle movement for better control, with a reliable lacing system and lock-tight heel for superb support, an integrated textile liner and EVA insole. The injected Chaya Shari plate carries Standard 20° trucks with Jelly Interlock 92A cushions.Sized to your boot: EU 36–46: Chaya Shari plate · standard mounting · Standard 20° trucks, Jelly Interlock 92A cushions · 59mm/92A Octo Propel indoor wheels · WICKED ABEC 7 Standard lacing keeps the fit dependable, and the height-adjustable Chaya Controller toe stops (flat, 30mm stem) give you confident starts and stops on the track. Look: Striking black with high-end finish Best for: Derby newcomers and rink training Skill level: Beginner Bonus: Torsion-bar outsole · adjustable Controller toe stops · lock-tight heel