FSA Superlight M110R Alu Bearing Drop In I52 Headset

An easy weight-reducing upgrade for any bike. Featuring an aluminium housing for a low weight and steel races and balls for durability. Super Light ACB ball bearing for Drop In Cane Creek (36°x45°) headsets. Outer diameter 52.1 mm (IS52), inner diameter 1.5 inch. Included in delivery: 1 bearing Material: housing: aluminium, races/balls: chrome steel Weight supplement: per bearing, manufacturer information