52a Aluminum Extensions T SERIES zig-zag pattern and perforated holes

zig-zag pattern and perforated holes provides a superior grip

Installs using direct mount top tube bosses on compatible bikes or three bottom Hook and Loop straps and two front elastic straps to optimize positioning

For optimal aero performance

RZ3 Product Video

A3A Riser Kits

52a Aluminum Extensions T SERIES zig-zag pattern and perforated holesOverview The new range of extensions have evolved from our well proven T Series. They have been designed to offer distinct fit options. We have also adopted a new naming system whereby the name gives the angle material of the extension. Thus 52a is a 52 bend in aluminum. Performance The sole purpose of extensions is to provide a comfortable position for the riders hands relative to the armrests. They enhance performance by allowing the rider to relax