A 60 mm tall shim (25.4 mm to 28.6mm) for 58 mm of exposed 1" steerer. Stem shims are not that tall, so I ordered a seat post shim: Amazon.com: Thinvik 60MM Bike Seat Post Shim 22.2mm, 25.4mm, 27.2mm to 25.4mm,27.2mm,28.6mm,30.4mm,30.8mm,31.6mm Bicycle Seatpost Tube Adapter : Everything Else



The top cap from a Cane Creek 40 Headset for a 1" steerer tube (Ec30/25.4/Ec30/26) is just wide enough for the shim.



So I ordered a Wolf Tooth Bling Kit for the spacers and a top cap with an integrated spacer which can also cover the stem.