Cane Creek 110 IS41/28.6 IS52/40 Headset BlackCane Creek 110 IS41 28. 6 IS52 40 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. Integrated bearings fit directly into compatible head tubes without the need of a bearing press. Sealed stainless steel bearings Carbon friendy compression ring captured in top cover keeping shims in place 7075 T 6 aluminum cups machined in Fletcher