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Ships within 48 hours · Estimated delivery Sep 14 - Sep 19
51-52 mm and 55-56 mm
Poly stretch and non-stretch chassis construction for durability and comfort
Professional strength
On Tread Branding—raised letters built into the shoulder
Alpinestars Supertech M10 Deegan Monster Helmet Category_Gear Combos 51-52 mm and 55-56 mmALPINESTARS SUPERTECH M10 DEEGAN MONSTER HELMET The goal of the Alpinestars Supertech family of helmets was to create the most advanced, protective, and performance enhancing helmets possible for riders worldwide. With the S M10, Alpinestars Helmet Development team engineered the helmet to offer the perfect blend of excellent ventilation, and unsurpassed comfort, to create a helmet with the lightest weight possible, all without compromising on any
