It's a size large which Bolle say suits heads between 58 - 62cm.
Bollé “The One Road Premium” Road Cycling Helmet Black Carbon RRP £150
Epic Formula Bleed Kit & 100ml DOT 5.1 Fluid | C1, R1, R1R, RX, RO, ORO, The One
4x Bike Washer Stem Spacers Bicycle Headset Washer For The One 28.6 mm Fork New
HOUSON Bike Headset Spacers, Bicycle Ahead Stem Handlebar Stem Spacers for THE ONE Road Bike
4 x Brake Pads Disc Formula R1 RO RX T1 Cura The One Mega CR3 C1 - Spring & Pin
Formula The One Downhill Bicycle Brakes With TRP 203mm Rotors
