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The Alpinestars SM7 is an off-road motocross and enduro helmet built around a lightweight composite shell of fiberglass, carbon and Aramid fiber. It carries both DOT and ECE 22.06 approval and weighs about 1280g in ECE trim, which is light for a full-face dirt helmet. Its standout features are the patented A-Head fitment system that adjusts the angle and height the helmet sits on the head, PLASMA side pads for collarbone shock absorption, and a visor release system that detaches above 15 Joules of impact. It suits committed dirt riders who want race-level protection and ventilation, and it competes with premium motocross lids on weight and safety tech rather than on budget appeal.
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In stockSold by moto-manracing
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In stockSold by P1 MOTOReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
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Lowest price we've seen: $359.99 on Nov 13 at 24mx.com. Tracked across 11 stores since Nov 13.
Riders rate the SM7 highly, at 4.8 out of 5 from 50 ratings, and praise its light weight, ventilation and secure fit. Complaints center on the fiddly Double-D strap and the price of stepping into this tier.
The Alpinestars SM7 is an off-road helmet for motocross and enduro riding. It has a larger eyeport that fits MX goggles, a large peak that blocks sunlight and helps protect against roost and low branches, and a roomy chin piece for ventilation.
The multi-layer shell is a blend of fiberglass, carbon and Aramid fiber. Its smooth, streamlined profile has no external channels that could act as load points. The curved shape is designed to reduce friction and deflect impact forces away from the head. PLASMA technology in the side pads absorbs shock in the collarbone area. The Visor Release System detaches the visor on impact over 15 Joules.
The A-Head Fitment System adjusts the angle and height at which the helmet sits on the head. The lining is removable and washable, with moisture-wicking 3D foam and an anti-microbial treatment. Exchangeable replacement cheek pads are available in all thicknesses to customize the fit. A Double-D buckle secures the chinstrap.
