A3 Helmet Halo Alpine Black MFPN=TKVABLU 5mm 3mm 4mm 5mm &

5mm 3mm 4mm 5mm & 6mm hex

200000000000003Spring Weight 375

Color Black Ring Position/Type Inner Tooth Count 22 Drivetrain Speeds 11 Chainring BCD 68 Material Aluminum Defined Color Black

2 to 22 millimeters and an open left side after removing the handlebar end cap

A3 Helmet Halo Alpine Black MFPN=TKVABLU 5mm 3mm 4mm 5mm &Head of the class, A3 leaves nothing to chance by setting the modern standard in protection and fit as demanded by Troy Lee Designs athletes. Equipped with Mips protection, the co molded EPP EPS design features sixteen vents to optimize airflow making for a helmet that is so comfortable it practically disappears on your head.