Easy to install but secure enough to trust it on those long drives the Toptube can carry bikes up to 20kg

great durability

1/8 steerer tubes

as well as Manitou

Giro Quarter Helmet - L - Matte Black - AS-NZS 2063-2008 Standard Do Not Ship Internationally Easy to install but secureGiro's lowest profile helmet, ever! The Quarter is optimized for street, skate park, and dirt jump riding. Capable of taking multiple impacts, the external shell is abrasion resistant, so no matter what you hit your head on, this helmet will keep functioning and keep looking good while doing so. Multiple sized, replaceable, sweat absorbent foam pads help keep your head cool and provide that perfect fit.