FSA K-Force Brake Caliper Set 2013: Lightweight, compact dual pivot brakes featuring a unique I-Beam structure & ratchet quick release lever. Unique I-Beam structure Ratchet quick release lever Carbon Fibre brake shoes Cold forged 6061 caliper arms Optimised geometry for powerful braking & superior modulation Thrust bearings at main pivots Titanium main pivot bolts Titanium cable attachment Adjustable spring tension Orbital pad adjustment Made in USA multi-condition brake pads (Koolstop DL) Reach: 40-50mm Finish: Polished black hard anodised finish Weight: 268g per set