Wheels Manufacturing Open Bore Adapter - 27.5x37 Do Not Ship Internationally Park Tool quality means this

Park Tool quality means this will still be in action in a centuries time

Fits a 1 1/8in steerer tube

Just like your post

personal first aid kit to take on 1-2 day trips where you need enough supplies to treat common injuries

1 1/2" bearings are 40x52x6

Wheels Manufacturing Open Bore Adapter - 27.5x37 Do Not Ship Internationally Park Tool quality means thisThe Wheels Manufacturing Open Bore Adapter, also known as a drift, is used to press cartridge bearings in to bottom bracket cups, hub shells, freehub bodies and suspension frame pivots. Each different adapter has a smaller diameter that inserts into the centre of a bearing and a larger diameter section that matches the outside diameter of the bearing. When used with a bearing press, the adapter presses against the races of the bearing properly to