Here is a used Ritchey Pro 4-Axis Stem. 100mm length, 6 degree rise/drop, 31.8mm handlebar clamp, 1 1/8 steerer.
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Bicycle Handlebar Stem Ultralight Aluminum Alloy Bike Stem 31.8mm 25/35/30 Degrees MTB Stem 3D Forging Cycling Accessories
Aliexpress UK
Ritchey pro 100cm stem. Minor imperfections from storage. See photos.
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Ultralight Bicycle Power Stem 10°/17°/25°/35° MTB Road Bike Stem 31.8 Aluminium Alloy Handlebar Stem 60/60/70/80/90/100/110mm
Aliexpress UK
The stem is in good used condition with some superficial rust on the bolts.
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CNC MTB Stem 31.8 Ultralight Handlebar Stem 35mm Aluminum Alloy Road Mountain Bike Bridge Cycling Short Stem Bicycle Accessories
Aliexpress UK
4-bolt removeable faceplate.
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EVOSID MTB Short STEM 28.6x31.8mm High-strength Handlebar Stem Aluminum Alloy Ultralight Bicycle Bridge Racing DH/AM/XC CNC Stem
Aliexpress UK
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Ultralight Bicycle Power Stem 10°/17°/25°/35° MTB Road Bike Stem 31.8 Aluminium Alloy Handlebar Stem 60/60/70/80/90/100/110mm
Aliexpress UK
Used but in excellent condition stem. 100 mm reach, 26.0 mm clamp, 17–73° drop/rise. Shipped ASAP
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Bike Accessory Bike Stem RISK Headset Stem Top Fixing M6x30mm Bike Stem Screw Titanium Alloy for Bike Repair Cycling Accessories
Aliexpress UK
Good used condition.
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Bike Stem 35mm Power Bicycle CNC Mtb Bicycle Bridge 31 8mm Bike Handlebar Stem Cycling Parts Aluminium Alloy Stem Riser
Aliexpress UK
Mounted but never read and stem. 110 mm reach, 26.0 mm clamp slate rise/drop. Includes 1 inch shim Shipped ASAP
eBay
Stem Mtb Table Power Bicycle Road Short Power Mountain Bike Handlebar Stem 31.8*45MM Riser Handle Cycling Road Bike Stem
Aliexpress UK