Cane Creek 110 ZS56/40 Lower Headset BlackCane Creek 110 ZS56 40 Lower Headset Black. Backed by a 110 year warranty and constructed in Fletcher NC the 110 Series headset is designed with no compromises in quality durability or finish quality. Zero stack uppers press into head tube with very little stack height. Sealed stainless steel bearings 7075 T 6 aluminum cups machined in Fletcher NC Aluminum dual seal crown race protects lower bearing 110 year warrranty TECH SPECS Color Black Lower