RENTHAL Sprocket - Honda - 52 Tooth 154U-520-52GRSI SM5 Solid Helmet Upper construction is made from

Upper construction is made from innovative and light microfiber material that is flexible and abrasion resistant Light microfiber on front and rear bellow gives more comfort on the flexible area

5 MM machined Titanium joint for a perfect fit every time

Durable microfiber upper construction offering superb levels of flexibility and comfort Incorporating a waterproof and breathable membrane for high levels of comfort and weather performance

Shot peened for increased fatigue life

RENTHAL Sprocket - Honda - 52 Tooth 154U-520-52GRSI SM5 Solid Helmet Upper construction is made fromCNC machined from a specially enhanced 7075 T6 aluminum alloy Machined self cleaning mud grooves at each tooth to help prevent mud buildup and increase wear resistance Ultralight design is 66% lighter than steel, yet incredibly durable