Troy Lee Designs A3 Helmet – Halo Camo Medium/Large Model-Headset Spacer Kit 35 ISO Width (mm) 60

35 ISO Width (mm) 60 Flat Protection Sidewall ISO Diameter 584 / 650b / 27

Low profile tread design rolls fast and still delivers grip for climbing and braking

Sliding dust cover

Remove the heart rate module

}Shimano Deore FC-M6100-1 Direct Mount Chainring - 32t 12-Speed Black

Troy Lee Designs A3 Helmet – Halo Camo Medium/Large Model-Headset Spacer Kit 35 ISO Width (mm) 60Troy Lee Designs A3 Helmet Halo Camo Medium Large. 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. Co molded EPP and EPS with Mips B Series rotational impact protection Advanced