Allows designed for internal cable routing, inside cockpit (stem, handlebar, headset and head tube).
upper bearing:
51.9 mm (outer diameter) x 40 mm (inner diameter) x 8 mm (height).
lower bearing:
51.9 mm (outer diameter) x 40 mm (inner diameter) x 8 mm (height).
Both bearings have a contact angle of 45° x 45°, though some versions (code HDDCR-36) may have a 36° x 45° lower bearing angle. The system is designed for a standard tapered fork steerer (1 1/8" - 1.5") and a head tube with a 56.0 mm inner diameter (upper and lower end).
