Key Features:Automatic pre-opening of engagement mechanism,Steel axle and composite body with flexible composite blade,Oversized interchangeable pedal platform 700 mm2,SENSOR Adjustment of angular sensations, or feel,Q-Factor adjustment setting of lateral foot position,BIOPOSITION Concept minimal distance sole to pedal axle (13.5mm),Angular float (+/-5°) and lateral float (2.5 mm),Release angle: 15°,Cleats included,Weight: 220 g/pair.