CCM HyperGlide Polished Steel RunnerPure quality and high performance steel runners with polished sides to reduce drag on the ice. It reduces friction for a better stride and edging. Features: Nice visual chrome finish Fits SpeedBlade +4. 0 Compatible with CCM JetSpeed line including JetSpeed, 300, 290, 280, 270, 260 models; RBZ line includes RBZ, RBZ 100, RBZ 90, RBZ 80, and RBZ 70 Compatible with CCM RibCor line including 50K, 48K, 46K, 44K, RibCor, 30K, 28K, and 26K Compatible with