Cane Creek’s engineers were tasked with developing a no-compromise, best-in-class premium headset. With the introduction of their 110-Series, they did just that–choosing optimal materials, engineering the most effective internals and designing the best aesthetics available in a headset. – Technical Description: 110-Series IS41/28.6/H9 | IS52/40 – Top Type: IS – Integrated – Top Head Tube Inside Dia.: 41.1mm – Stem Clamp Dia.: 28.6mm – Top Stack Height: 9mm – Top Bearing Type: Top-quality, sealed stainless steel bearings – Bottom Type: IS – Integrated – Bottom Head Tube Inside Dia.: 52.1mm – Crown Race Seat Dia.: 39.79mm – Crown Race Type: Aluminum, Dual-Seal – Bottom Stack Height: 1mm – Bottom Bearing Type: Top-quality, sealed stainless steel bearings – Material: N/A – Weight: 79.48 grams