Aluminium backing plate (A) and Titanium backing plate (Ti)

just about anything really

Output and Runtime: For the front there are 8 modes to choose from with the lowest offering up 15 lumens and the longest runtime of a claimed 20 hours

It's critical to get the sizing right with these so you might need to try on a couple of different sizes to find the perfect ones for you

It comes with an adjustable visor and light weight screws

100 Percent Altec Helmet - L/XL - Black Envelope Shipping Aluminium backing plate (A) andThe 100% Altec is a lightweight, well ventilated and (most importantly) protective helmet. If you're into spending long days on the pedals and you don't mind grinding up a climb for your decent, the Altec is the helmet for you. With an impressive 15 ventilation ports, an adjustable visor and a multi point retention system, it's got everything you need in a trail helmet. Who's this item for: Designed for trail riding but would be perfect for any riding