Introduction

The G27 delivers precision engineering for competitive cycling. Featuring a 27mm internal width rim designed for optimal tire compatibility and aerodynamic performance, this wheelset combines lightweight construction at 1304g with a robust 45T ratchet system for reliable power transfer. The 700C size makes it ideal for road racing and long-distance riding, where every gram and watt matters. Built for riders who demand responsive handling and dependable engagement on demanding terrain.

Features

Revolutionary Rim Layup Technology

Our proprietary ultralight layup process sheds weight while maintaining impact resistance – delivering a stronger, leaner gravel rim without compromising durability.

Advanced D91 hub s with 45T star ratchet system

The advanced D91 hub s feature a 45T star ratchet system that replaces the 6-pawl design of the D21 hu bs , and the Shimano freehub body features a unique design that reduces weight while maintaining structural rigidity, making it approximately 90G lighter than the D21 hubs.

Aero & Weight Savings with Sapim CX-Ray

Sapim CX-Ray spokes reduce wind drag and weight, paired with Sapim Secure-Lock nipples to prevent loosening under vibration.