Giro Aries Spherical MIPS Road Bike Helmet - Matte Black/Matte Yellow Visma Size:Small (51-55cm) (mm) 142 Spoke hole_28H ✔

(mm) 142 Spoke hole_28H ✔ Spoke hole_32H ✔ Spoke hole_36H ✔ Rear speeds 12 Thru Axle (Length x Inner diameter

Advanced TurnSys

As versatile as AM riding itself

IP67 Waterproof (Not for swimming)

Strategically positioned 3D vent mesh moves more air to keep you cool

Giro Aries Spherical MIPS Road Bike Helmet - Matte Black/Matte Yellow Visma Size:Small (51-55cm) (mm) 142 Spoke hole_28H ✔Aries Spherical Helmet Lighter, cooler, sleeker, plus all the added protection of Spherical Technology powered by Mips and our new DryCore sweat management system: the Aries Spherical is like nothing before. Details Like nothing A helmet that feels like it isn't there: the all new Aries Spherical is like nothing before. Its sleeker form and lighter weight (only 270 grams in size medium, CE certification), deliver sensational comfort and cooling power.