25 mm (right and left thread)

Certified knee protection is removable from the outside

FLAT OEM_NUMBERS: 3R41461300 Packing: By Unit

Do you want to combine with matching rear/brake lights or are you looking for LED variant in similar style

Durable aluminum construction

FLY RACING Rayce Youth Bicycle Helmet - Matte Blue Stone/Hi-Vis 73-3610YL polaris-ranger-xp-900-eps-le-900-2017-esi4179090 25 mm (right and leftRayce BMX Lightweight and Affordable Helmet Designed for BMX and MTB THAT FEATURES MASSIVE AMOUNTS OF AIRFLOW. STANDARD CPSC 1203, ASTM F1952 15, CE EN 1078: 2012 A1: 2012 Construction Aerodynamic Lightweight Poly Alloy Shell PADDED CHIN STRAP WITH A D RING CLOSURE CSPC CERTIFIED EPS FOAM LINER FOR PROTECTION Weight 930 grams + 50g (size m), 2. 05 pounds + 11lb (size m) Comfort Liner Removable and Washable Liner and Cheek Pads VENTILATION True