Sometimes the simplest designs are also the smartest. The Trinity is an easy fit for riders who want a classic cycling helmet that doesn’t compromise comfort or performance. It includes key features like In-Mold construction to keep the weight low, and the easy one-handed adjustments of Giro's acclaimed Acu Dial system for a quick, sure fit no matter where or how far you ride. They created the Bishop for riders in search of the classic Giro fit but in need of an extra-large size. Inspired by the sleek style and cooling ventilation of Giro's Revel helmet, the Bishop is at home on pavement or the trail. Giro uses In-Mold construction to make it light without compromising durability and the adjustable Acu Dial system makes it easy to custom-tune the fit for comfort and stability.