RADICAL. THE UPLIFTING SKI TOURING SYSTEM dynafit.com/radical 49155 MODULAR MOUNTING FRAME TLT Radical 2.0 (ST, FT), ST Rotation (10, 12, Test),. Full sidewall construction with full-length vertical edges from tip to tail help maximize grip, precision, balance and power.8. radical 1 / tlt speed radical / speed turn 2.0. 9. low tech race 2.0 / rC1 by DYNafit ski bindings. follow the illustrated steps to correctly mount.