4252ST MTB Bike Road Bicycle Headset 42 41.8 52mm 1 1/8" 1 1/5" Tapered Straight fork Integrated Angular Contact Bearing

4252ST MTB Bike Road Bicycle Headset 42 41.8 52mm 1 1/8" 1 1/5" Tapered Straight fork Integrated Angular Contact Bearing

Aliexpress UK