Bell 4FORTY MIPS Helmet - L - Matte Dark Grey - Gloss Dark Grey - Crimson - AS-NZS 2063-2008 Standard PDP|PLP|Brake Rotor Type The Extra Chunky is the

The Extra Chunky is the thickest grip in ESI's line up with an installed diameter of 34mm

Backing plate material: The EXOTherm 2 compound features a finned alloy backing plate

8mm clamp diameter

(also fits some FSA

N420 D HD PU Coated Material

Bell 4FORTY MIPS Helmet - L - Matte Dark Grey - Gloss Dark Grey - Crimson - AS-NZS 2063-2008 Standard PDP|PLP|Brake Rotor Type The Extra Chunky is theAs the more affordable sibling to the Sixer, the Bell 4FORTY MIPS Helmet still packs in a heap of features you'd expect to find on a much more expensive helmet and manages to look good while doing it. Featuring a MIPS liner and extended rear coverage for safety, an adjustable visor designed to accommodate goggles, 15 vents to keep your head cool, and Bell's new Sweat Guide padding to keep the sweat out of your eyes and off your sunnies, the 4FORTY is