It is. But the clearance between the headset cup and the steerer tube is a bit marginal if you're trying to squeeze a hydraulic brake hose down there. Also, you'd face the problem that AFAIK no-one makes EC44 top headset units designed for a 28.6mm steerer, so you'd end up with a rather fugly top cap arrangement.
It is. But the clearance between the headset cup and the steerer tube is a bit marginal if you're trying to squeeze a hydraulic brake hose down there. Also, you'd face the problem that AFAIK no-one makes EC44 top headset units designed for a 28.6mm steerer, so you'd end up with a rather fugly top cap arrangement.