For sale are a brand new pair of TRP Carbon Fiber Top-Mount Brake Levers for 26mm bars.
From the manufacturer:
At 39g each the RL951 levers weight the same as your favourite pair of sunglasses but offer an array of user friendly features. Sporting a return spring, adjustable reach, canti/disc caliper compatibility, a split clamp for easy cable installation, and a light weight design the RL951 is the obvious choice for drop bar riders looking to use top mount levers.
Top mount lever
For use with caliper or canti brakes
Forged aluminum bracket / carbon fiber blade
Hinged clamp style
Adjustable reach
Return spring
Color: Black / Carbon
Weight: 78 g / pair
Designed for 26mm handlebars
Message me if interested. Cross-posted.