Details 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. Lowers are either zero stack or external cup.- Sealed stainless steel bearings- Carbon-friendy compression ring captured in top cover, keeping shims in place- 7075 T-6 aluminum cups machined in Fletcher, NC- Aluminum dual seal crown race protects lower bearing- Interlok spacer compatible- 110 year warranty
