Renekton VTT Avec Capuchon Supérieur Roulement Durable Vélo Casque Cartouche De Vélo De Route Scellé 34mm

Outer diameter: 45mm / 1.77inColor: Black/SilverMaterial: Aluminum alloyPackage includes:1pc bicycle headsetStack height: 52mm / 2.05inCartridge bearing diameter: 34mm / 1.34inCrown race diameter: 30mm / 1.18inWeight: 110g / 3.88oz1 1/8 inch threadless headsetWith two smooth sealed cartridge bearings.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.