This helmet received a 5-star rating from the leading safety research team at the Virginia Tech Helmet Lab
24 mm depth x 37 mm width x 30 mm internal diameter
Alloy 6061
5 (with tubes / without Pedals)
challenge copertone tubeless ready limus pro Variant:700X33, SMART, 300TPI, SuperPolyester, TLR, TAN This helmet received a 5-starLimus in Latin means mud, and this is exactly where this tire excels. Deep, aggressive, and well spaced knobs penetrate the mud, allowing you to tackle corners with agility, speed downhill, and climb with ease. Challenge H TLR tires meet the new ETRTO and ISO standards and are compatible with hookless tires. Designed to comply with UCI regulations, most rims have an internal rim width of up to 23 mm. Use: Dense mud Deep, aggressive, and well spaced