[BELL] SUPER AIR R MIPS HELMETSUPER AIR R MIPS HELMET As pioneers of detachable chin guard technology, we have a tradition to uphold and surpass. We designed the Super Air R from start to finish to push the boundaries of performance and versatility. Featuring industry leading Flex Spherical + MIPS technology, superior ventilation, an overall weight 144g lighter than the previous generation, and an easy 2 click detachable chin guard, this is a true all mountain performer.

Material: Aluminum core

NEW SUPER SLR caliper

Compatible chain: HG 12-speed

Weight Rear : 760 g

The PRO Vibe Aero Alloy handlebar boasts aerodynamic advantages in an affordable 6066 alloy construction

Rear speeds: 11

20% quicker lever access time

Clamp band Diameter (mm): 22

10 tooth cog compatible ✔

- Total capacity: 18 teeth

Without radiator fin

with axis longer than 18mm