Lower headset. Full complement stainless steel angular contact cartridge bearings packed with Ritchey high-webbing grease. Sealed cartridge bearings. Drop In. Material: Alloy. ZS56/40. 62/56.
- Bearing: sealed cartridge
- Material: CroMo
- Lower Fit (S.H.I.S.): ZS56/40
- Lower HT OD/ID: 62/56
- Bearing: Ti coated, sealed Cartidge
- Weight: 40-52g

