New in box. Clamp diameter is 31.8, but shims for 26.0 diameter bar are included!
 
Tektro RL721 Cross Levers for 31.8mm OD Bar feature an ergonomic lever design with reach adjustment and return spring.
Hinged clamp style
For use with caliper or canti brakes
Ergonomic lever design
Brake Lever Actuation: Short Pull
Weight: 100 g
Aero Bar/Cross Lever Diameter: 31.7/31.8/26.0
Sold as a pair