The Rival 4x100 Frame gives speed skaters the ultimate performance. The 12”/305mm 7000 extruded aluminum frame provides torsional rigidity and stability. It allows great acceleration with its speed inspired design and wheel base and has 165 & 195mm mounting points. Included: (2) 12” extruded aluminum frames, (8) racing axles, (4) boot screws and a 4mm Allen Key.FEATURES: • MADE FOR SPEED 4x100 - Quicker acceleration for speed/elite skaters needing a medal winning blend of speed and response. • DIRECT POWER TRANSFER with sidewall design for a more efficient push. • EDGE-TO-EDGE CONTROL is easily enabled from the stable mounting decks and upper frame design to elevate performance. • 12”/305mm EXTRUDED 7000 ALUMINUM - 165/195mm mounting points, 240 grams, Max wheel size 4x100mm. • INCLUDES ALL MOUNTING HARDWARE - including (8) racing axles, (4) frame mounting bolts.