GIRO Aether Spherical HelmetLighter, 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. 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. Spherical Technology, our ball and socket

Provides pressure readings up to 160 psi / 11 bar

Clamp band Diameter (mm): 22

Model: SL-M315

This innovative design offers riders the opportunity to switch between half-frame and full frame glasses depending which frame coverage and appearance is preferred

Number of Speed : 12 Speed

- Shimano Dura-Ace BR-R9100

and are 100% handmade in France

the SHIMANO DEORE XT M8000 derailleur deliver race-worthy performance without breaking the bank

Package Including:

Aluminum spider arm QTY (pcs)     : 2

Details of the FOX Enduro elbow protector

• The MKS Triple sealed bearing system provides extremely smooth rotation enabling comfortable & efficient pedaling