{"niche":"目前市面上最轻的全盔（全罩式头盔）是什么？","description":"What is the lightest weight full-face helmet available?","products":[{"brand":"Fox Racing","model":"Proframe RS","price_gbp":269.67,"origin_country":null,"specs":{"visor":"3-position adjustable visor","weight":"820 g (size medium)","ventilation":"22 vents / large bore flow-through ventilation","shell_material":"EPS outer shell with EPP inner shell (MIPS Integra Split)"},"confidence_score":null,"sources":[{"label":"Freehub Magazine (lists retailer)","url":"https://freehub.com/reviews/fox-racing-proframe-rs","currency":"USD","source_country":"US","price":359.95,"price_gbp":269.67,"scraped_at":"2026-06-09T06:57:21.700751"},{"label":"OutdoorGearLab (lists retailer links)","url":"https://www.outdoorgearlab.com/reviews/biking/downhill-helmet/fox-racing-proframe-rs","currency":"USD","source_country":"US","price":400.0,"price_gbp":299.68,"scraped_at":"2026-06-09T06:57:24.444128"},{"label":"Trek Bikes product page","url":"https://www.trekbikes.com/us/en_US/equipment/bike-accessories/bike-helmets/mountain-bike-helmets/mens-mountain-bike-helmets/fox-racing-proframe-rs-bike-helmet/p/5350439/","currency":"USD","source_country":"US","price":359.95,"price_gbp":269.67,"scraped_at":"2026-06-09T06:57:27.187335"}],"summary":"The Proframe RS is a ventilated enduro full-face helmet featuring MIPS Integra Split, a BOA fit system, and a Fidlock magnetic buckle. It suits enduro racers and riders who want DH-level protection with near half-shell ventilation for long climbs and aggressive descents."},{"brand":"POC","model":"Coron Air Carbon MIPS","price_gbp":412.05,"origin_country":null,"specs":{"visor":"Breakaway peak/visor","weight":"1030g (Size M)","ventilation":"Airflow channels with multiple intake and exhaust vents","shell_material":"Carbon fiber","noise_reduction":"Ear chambers designed to minimise impact on hearing"},"confidence_score":null,"sources":[{"label":"POC (official)","url":"https://poc.com/en-us/product/coron-air-carbon-mips","currency":"USD","source_country":"US","price":550.0,"price_gbp":412.05,"scraped_at":"2026-06-09T06:57:37.863456"}],"summary":"A full‑face enduro MTB helmet with a carbon‑fiber shell, multi‑impact EPP liner and MIPS for rotational protection. It has engineered ventilation channels, removable cheek pads and a breakaway visor, suited for racers and aggressive trail riders seeking high protection with relatively low weight."},{"brand":"Leatt","model":"Gravity 4.0","price_gbp":145.61,"origin_country":null,"specs":{"visor":"Breakaway adjustable visor","weight":"From 850 g","ventilation":"22 vents","shell_material":"Polymer","noise_reduction":"Quiet lid / reduces wind noise"},"confidence_score":null,"sources":[{"label":"Leatt (official)","url":"https://us.leatt.com/products/helmet-mtb-gravity-4-0-sale","currency":"USD","source_country":"US","price":194.35,"price_gbp":145.61,"scraped_at":"2026-06-09T06:56:32.483364"},{"label":"BikeShoes.com","url":"https://bikeshoes.com/Leatt-MTB-Gravity-4.0-Helmet/","currency":"USD","source_country":"US","price":224.25,"price_gbp":168.01,"scraped_at":"2026-06-09T06:56:35.403968"},{"label":"LordGun","url":"https://www.lordgun.com/leatt-mtb-gravity-40-v25-helmet-1","currency":"USD","source_country":"US","price":null,"price_gbp":null,"scraped_at":"2026-06-09T06:56:38.206367"}],"summary":"Full‑face downhill‑certified helmet with 360° Turbine impact tech, removable mouthpiece, Fidlock magnetic buckle and large ventilation (22 vents). Suited for enduro, bike‑park and e‑MTB riders who want high protection with strong airflow and neck‑brace compatibility."},{"brand":"Bell","model":"Super 3R MIPS","price_gbp":131.1,"origin_country":null,"specs":{"visor":"GoggleGuide adjustable visor","weight":"760 g","ventilation":"23 helmet vents, 4 brow ports, 6 chin-bar vents","shell_material":"Fusion in-mold polycarbonate"},"confidence_score":null,"sources":[{"label":"BikeBling","url":"https://www.bikebling.com/Bell-Super-3R-MIPS-Equipped-Helmet-2018-p/bell18-super-3r-mips.htm","currency":"USD","source_country":"US","price":174.99,"price_gbp":131.1,"scraped_at":"2026-06-09T06:57:05.214113"},{"label":"OutdoorGearLab (list reference)","url":"https://www.outdoorgearlab.com/reviews/biking/downhill-helmet/bell-super-3r-mips","currency":"USD","source_country":"US","price":240.0,"price_gbp":179.81,"scraped_at":"2026-06-09T06:57:07.957366"},{"label":"Jenson USA","url":"https://www.jensonusa.com/bell-super-3r-mips-mtn-bike-helmet-25","currency":"USD","source_country":"US","price":null,"price_gbp":null,"scraped_at":"2026-06-09T06:57:10.816365"}],"summary":"Convertible trail helmet with a removable chin bar and MIPS for rotational impact protection. Lightweight and highly ventilated, suited to aggressive trail and enduro riders who want one helmet for both climbing and faster descents."},{"brand":"Abus","model":"Airdrop","price_gbp":247.23,"origin_country":null,"specs":{"visor":"Height-adjustable peak (breakaway visor attachments)","weight":"790 g","ventilation":"11 air inlets and 6 air outlets","shell_material":"Polycarbonate outer shell with EPS inner","noise_reduction":"Ambient Sound Channels (ASC) for clear hearing","bluetooth_compatibility":"Optional QUIN sensor compatible (QUIN sold separately)"},"confidence_score":null,"sources":[{"label":"Action Sports","url":"https://www.teamactionsports.com/product/abus-airdrop-mips-405331-1.htm","currency":"USD","source_country":"US","price":329.99,"price_gbp":247.23,"scraped_at":"2026-06-09T06:56:48.879467"},{"label":"Bert's Bikes & Fitness","url":"https://www.bertsbikes.com/product/abus-airdrop-mips-405331-1.htm","currency":"USD","source_country":"US","price":329.99,"price_gbp":247.23,"scraped_at":"2026-06-09T06:56:51.742509"},{"label":"Team Action Sports (alternate listing)","url":"https://www.bertsbikes.com/product/abus-airdrop-mips-405331-1.htm","currency":"USD","source_country":"US","price":329.99,"price_gbp":247.23,"scraped_at":"2026-06-09T06:56:54.546147"}],"summary":"The Abus AirDrop is a full-face MIPS mountain bike helmet designed for enduro, eMTB and downhill-style riding. It balances trail-friendly weight, strong ventilation and protective features like MIPS, collarbone protection and ASC, suiting riders who want downhill-level protection with good breathability."},{"brand":"Specialized","model":"Gambit","price_gbp":224.75,"origin_country":null,"specs":{"visor":"Integrated fixed visor with breakaway feature","weight":"640 g (medium)","ventilation":"Multiple large intake and exhaust vents with internal channeling","shell_material":"Carbon fiber and polycarbonate"},"confidence_score":null,"sources":[{"label":"Specialized (official)","url":"https://www.specialized.com/us/en/gambit/p/1000208372","currency":"USD","source_country":"US","price":299.99,"price_gbp":224.75,"scraped_at":"2026-06-09T06:56:02.118867"},{"label":"Landis Cyclery","url":"https://www.landiscyclery.com/product/specialized-gambit-970367-1.htm","currency":"USD","source_country":"US","price":299.99,"price_gbp":224.75,"scraped_at":"2026-06-09T06:56:04.979452"},{"label":"Erik's Bike Board & Ski","url":"https://www.eriksbikeshop.com/products/specialized-gambit-helmet-pr5a23724","currency":"USD","source_country":"US","price":299.99,"price_gbp":224.75,"scraped_at":"2026-06-09T06:56:07.781761"}],"summary":"The Gambit is a lightweight, downhill-certified full-face helmet that uses a carbon-fibre-reinforced shell, segmented EPS and MIPS SL for protection while maximizing ventilation and low weight. It suits riders who want full-face protection with open-helmet comfort for enduro and aggressive trail riding."},{"brand":"IXS","model":"Trigger FF","price_gbp":194.04,"origin_country":null,"specs":{"visor":"Adjustable goggle-compatible visor (multi-position)","weight":"595 g (SM) / 660 g (ML)","ventilation":"27 vents (Vortex ventilation with intake and exhaust channels)","shell_material":"InMould (one-piece in-molded shell)"},"confidence_score":null,"sources":[{"label":"ChucknRoll Bikes","url":"https://www.chucknrollbikes.com/product-page/ixs-trigger-ff-full-face-helmet","currency":"USD","source_country":"US","price":259.0,"price_gbp":194.04,"scraped_at":"2026-06-09T06:56:18.604934"},{"label":"Singletracks (review lists availability/price)","url":"https://www.singletracks.com/mtb-gear/the-ixs-trigger-full-face-mountain-bike-helmet-is-wicked-light-and-equally-comfortable-review/","currency":"USD","source_country":"US","price":259.0,"price_gbp":194.04,"scraped_at":"2026-06-09T06:56:21.465424"}],"summary":"Lightweight, ventilated full-face mountain bike helmet with in-mould construction and internal X‑Frame reinforcement. Features an adjustable goggle-compatible visor, Fidlock magnetic chin closure and ErgoFit Ultra retention-suited to enduro, trail and all-day aggressive riding for riders who want full-face protection with low weight and high airflow."}]}