The Ritchey IS41/28.6 mm integrated headset features sealed stainless steel angular contact cartridge bearings with Ritchey wide band grease.
Features:
- Material: Alloy
- Stack height: 9.1, 16.0 mm
- Steering tube ID: 41.2, 42.0 mm
- S.H.I.S.: IS41/28.6 (1 1/8″), IS42/28.6 (1 178″)
- Bearing IS41/28.6 (1 1/8″): 41.0/30.15/7mm 45°/45° sealed cartridge (ACB)
- Bearing IS42/28.6 (1 1/8″): 41.8/30.5/8mm 45°/45° sealed cartridge (ACB)
- Weight: 39 g





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