Theory Trusty Seat Post Clamp - 28.6mm (1-1/8") - Blue 25.4mm (1") the tread pattern is C-714

the tread pattern is C-714

It uses high-quality sealed bearings and a precision tapered wedge to keep the headset tight at all times

Size: Size 2 / Youth XX-Small (Y2XS)

Low-profile design can be worn under jersey

Maintains air pressure for a good while (thanks to top-notch materials and consistent wall thickness)

Theory Trusty Seat Post Clamp - 28.6mm (1-1/8") - Blue 25.4mm (1") the tread pattern is C-714Constructed with durable 6061 aluminum, this seat post clamp boasts a secure single bolt on design for a "trusty", classic design. Size: 28. 6mm (1 1 8") Color: Blue Note: This part was colored by anodizing, which is a method of coloring metal. Color differences do occur among manufacturers and even among batches from the same manufacturer. This is not a flaw or imperfection, but it is inherent to the anodizing process. We make every effort to show