Factor OSTRO Assembly Manual page 11

4-1
Fork has a threaded insert bonded into the steerer
and extends all the way inside and needs to be
trimmed down to size.
4-4
Assemble both top and bottom headset bearing
and slide fork steerer, brake hose and Di2 wires
through top bearing.
4-2
Pre-cut fork steerer making sure that it is
cut 3mm below the top of the stem. We
would advise chasing the threads in the
steerer tube with a M6x1.0 tap to remove
any burs after cutting the steerer.
3mm
4-5
Slide compression ring into place.
Assembly Manual
4-3
Install rear brake caliper, routing brake hose through
downtube exiting from top of headtube. Slide foam tube
through the brake hose making sure it sits in the middle
of the downtube.
4-6
Make sure the slot on the compression ring is
facing the back of the steerer.
6
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