Giro was founded in 1985 by Jim Gentes — an industrial designer and competitive cyclist working out of a one-bedroom apartment in San Jose, California. His first helmet, the Prolight, debuted at the 1986 Long Beach Bike Show and returned $100,000 in orders. Three years later, Greg LeMond wore Giro’s Aerohead in the 1989 Tour de France’s final time trial, pulling off one of sport’s great comebacks and cementing Giro as the helmet brand in professional road cycling. The brand was acquired by Bell Sports in 1996 and is now part of Revelyst. MIPS arrived in Giro’s bike lineup in 2018, and Giro’s own Spherical system — inner and outer shells that move independently on impact — advances that protection without adding bulk. Learn more at Giro’s official website.
The Giro collection at RA Cycles covers four categories. For road performance, the Synthe MIPS II, Helios Spherical, Syntax MIPS, and Aries Spherical cover everything from training to race day. The Aerohead series — including the MIPS II at $599.95 — is built for time trials and fast road riding, while the Eclipse Pro Spherical bridges aero performance and all-day wearability. MTB riders will find the Manifest Spherical, Montaro MIPS, and Artex MIPS for trail riding, and the Switchblade MIPS for aggressive enduro. Entry-level MTB helmets start from $59.99.
Explore the dedicated Eclipse Pro Spherical collection, browse all bike helmets at RA Cycles, or shop road bike helmets specifically.
