I'm not sure on sizing but the stem fits more modern forks IE ones that take 31.6 stems but the stem fits inside the steerer
Zipp Vuka Clip Bike Cycle Handlebar Riser Kit
Bike Cycle Steel Riser Handlebars 3 x 7 Shimano Shifters & Adjustable Stem
SyiXute 1 Pcs Bike Stem Riser,Bike Fork Stem Riser Bicycle,Aluminum Alloy Bicycle Handlebar Raiser Adapter,Adjustable Bicycle Stem with Hexagonal Wrench for MTB Road Bike 28.6 mm
Libershine Bike Stem Riser, Adjustable MTB Stem 31.8mm Handlebar, Bike Stem 0-60° Degree, with Hex Key, Aluminum Alloy Bike Handlebar Stem Riser for Mountain Bike Road Bike City Bike Bicycle
SPYMINNPOO Bike Handle Bar, 31.8x720mm Bike Extra Long Handlebar Bike Handle Riser Bar Aluminium Alloy Riser MTB Handlebar Fit for Most Bike Road Bike BMX(Red) Cycling Bicycles And Spare Parts
Cycle Training Stand Bike Front Wheel Riser Block Bicycle Roller Trainer
