Giro Aether Spherical HelmetGiro Aether Spherical Helmet The Giro Aether Spherical MIPS helmet is an advanced model for demanding cyclists that combines innovative safety technologies with excellent ventilation and comfort of use. Spherical Technology with MIPS: An innovative ball and socket system that allows the helmet layers to move independently, effectively reducing rotational forces during impact. The patented spherical technology is embedded between the EPS foam layers,

Aerodynamic tops

Crank arm length (mm) 165 : Yes

Type HG Compatible chain HG 9-speed Rear speeds 9 HG spline (Others) ✔ Steel gear_QTY (pcs) 9

(S/M) - 360 g

A functional sport design with optimized coverage

Combination:

Available in 160–175mm lengths and designed to pair with SM-CRM86 direct-mount chainrings

Built to withstand all of the performance standards of being on the mountain

Body:Highpolished Alloy

SpecificationsAffordable and high-end style crankset4-arm crankset for 12-speed drivetrainCompatible with frames of O

Combination name (Group name): 1-34T

flat tires can be quickly inflated again during a tour thanks to the hose attachment