Cinelli neos 318 stem the 3d forged 7050 t6 aluminium alloy stem is designed with a variable thickness oval section and reinforced with unidirectional carbon fibre making it extremely light and durable clamp diameter 318mm bar clamp diameter 286mm 1 18 stem angle 84deg96deg material forged in aluminium alloy 7050 t6 and hm carbon fibre finishing clear coated carbon bolts front m5 rear m5 weight 120g 100mm