Amazon.com : CXWXC Adjustable MTB Stem 31.8mm 70 Degree - 90/110/130/145mm Bike Stem Riser for Handlebar - Aluminum Alloy Mountain Bike Handlebar Riser Extender for MTB Road City Bike Bicycle : Sports & Outdoors
qikour 25.4 Bike Stem Adjustable 0-60 Degree Handlebar Riser Extender for Road Bike, Mountain Bike,
Adjustable Bike Stem – Meebike
Amazon.com : FOMTOR 25.4mm Adjustable Stem 0~90 Degree 90mm MTB Adjustable Bike Stem for 25.4mm(1") Handlebars, Suitable for Most of Mountain Bike, Road Bike, BMX : Sports & Outdoors
Ritchey 4-Axis Adjustable Stem | Stems
Adjustable Stem – KBO Bike
BeeCool Bikes | Adjustable Handlebar Stem
Bicycle Sizing Stem - Purely Custom Bike Fitting Tools
Adjustable Bike Stem | Himiway Bikes
Tern Andros Adjustable Stem | Tern Intl Gear Store
Amazon.com : Azarxis 25.4mm 31.8mm Stem 90mm 110mm 120mm 130mm 0-60 Degree Adjustable Bike Stem Mountain Bike Stem Short Handlebar Stem for Bicycle, Road Bike, MTB, BMX, Cycling (25.4 x 110mm) :
Sunlite Adjustable Top Mount Threadless Stem - City Bicycle Co. | Wilmington, NC