Microfibre lining

1-1/4" and 1-1/2" headset cups

Rim Dimensions: The rim height is 20mm and the internal width is 30mm

If this does happen please get in touch and we'll do our best to get you sorted with the option you'd prefer ASAP

100 Percent Altis Gravel Helmet - S-M - Grey PLP|Riding Style Microfibre liningThe new 100% Altis. Engineered for the demands of the modern day gravel rider. Lightweight, breathable with class leading performance and safety all with a modest budget in mind. Who's this item for: This is marketed as a Gravel helmet but it's just as well suited to XC, Trail, and Road riding. Construction: High Density EPS foam injection and moulded with polycarbonate. Rotational liner: The Altis uses the Smartshock Rotational Protective System