Product details
Description
This Ritchey EC External Cup upper headset uses a smaller upper bearing to save weight while the precisely machined aluminium cup provides a solid insertion depth.
- Threadless external-cup upper headset.
- Top stack height: 17 mm; head-tube ID: 34 mm.
- SHIS steerer fit: EC34/28.6 (1-1/8").
- Bearing type: semi-cartridge bearing (SSC).
- Colour: black.
