Gravity SX Pro 55 ZS44/ZS55 1 1/8"-1.5" Headset

Semi-integrated headset for tapered frames in combination with forks that have a tapered 1 1/8″-1.5″ steerer tube.

Sealed cartridge bearings
For outer head tube Ø top: 50 mm
For outer head tube Ø below: 61 mm
Assembly height: approx. 34.5 mm
Cover cap 28.8 mm
Weight: approx. 135 g

upper bearing shell (ZS 44):
For inner head tube Ø: 44 mm
Aluminium bearing cups
TH-MR 122 Industrial bearing (36°x45°)

lower bearing (ZS 55):
For inner head tube Ø: 55 mm
Aluminium bearing cups
TH-MR 170 Industrial bearing (45°x45°)

In the box:
Industrial bearings incl. aluminium bearing shells, cone for tapered 1 1/8″-1.5″ steerer tube and 28.8 mm cap

compatible with the following Rose frames, among others:
Divers Rose hybrid / touring bikes from 2010