9–20g Fitted Seatpost Race Number Holder (27.2mm, 31.6mm & 35mm Round) — Ceramic-Coated SLA Polymer

Engineered for riders who want a seamless, zero-movement race number plate mount contoured directly to their exact seatpost diameter, the Predator Cycling Custom Fitted Number Holder eliminates rubber straps altogether with a precision bolt clamp matched to your seatpost profile.

Manufactured in our Lebanon, Tennessee facility from high-resolution SLA 3D-printed toughened polymer with a durable ceramic-coated finish, it weighs just 9–20 grams, fits 27.2mm Round, 31.6mm Round, and 35mm Round seatposts, and aligns your race number cleanly in the slipstream behind your seatpost for zero aerodynamic penalty.