Good value 57 mm drop front calliper brake.Features:Super slr dual pivot design keeps operating friction to a minimum, improving braking performanceMust be used in conjunction with st-4600, st-4603, st-5700, st-5703, st-6700 or st-7900 stis for correct leverage ratioEnhanced brake arch proportions give a quicker linear response and increased power57 mm dropLightweight aluminium calliper design with tough anodised finishToe-in adjustable brake shoes for perfect pad alignmentDurable quick release for fast and easy wheel removalComes with 10.5 / 12.5 / 18 / and 27 mm sunken nut
