DUO 16″ MASTER Bolts & Fixings Thanks to the special substances

Thanks to the special substances it contains

It features a hard molded polypropylene shell with a perforated bio-foam liner for increased breathability and superior impact protection

Designed to be worn with the Alpinestars’ range of off-road boots and knee braces

Offers a best-in-class view port for unparalleled vision

Handle folds away for easy storage

DUO 16″ MASTER Bolts & Fixings Thanks to the special substances16 MASTER Step it up a gear with the DUO Master e balance bike. Boost your child's confidence Whether youre a pro, or this is your first DUO, the 16 inch sleek electric bike is the perfect choice for your 5 7 year old. Ride with or without power The DUO Master can be used powered or non powered modes to help your adventurer grow in confidence and get them started. Adjustable seat height With a taller frame and adjustable seat, the DUO Master grows