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 top-level features like In-Mold construction to keep the weight low, and the easy one-handed adjustments of Giro's acclaimed Roc Loc Sport system for a quick, sure fit no matter where or how far you ride.
- One Size/Universal Adult = 54-61cm
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