{"pageUrl":"https://www.comparethespecs.com/zh/kids-family/kids-bikes-scooters/what-are-the-quietest-bmx-bikes-for-kids-available","lastUpdated":"2026-09-13","totalProducts":3,"niche":"目前有哪些最安静的儿童 BMX 自行车可供选择？","description":"What are the quietest BMX bikes for kids available?","products":[{"brand":"Mongoose","model":"Legion L20 - 20in","price_gbp":221.85,"origin_country":null,"specs":{"age_range":"8 and up","wheelsize":"20 in","brake_type":"U-brake, aluminum","gear_number":"1","handlebar_height":"8 in"},"confidence_score":null,"sources":[{"label":"Mongoose","url":"https://www.mongoose.com/products/legion-l20-m20","currency":"USD","source_country":"US","price":299.99,"price_gbp":221.85,"scraped_at":"2026-09-13T13:39:51.097690"},{"label":"DICK'S Sporting Goods","url":"https://www.dickssportinggoods.com/p/mongoose-youth-legion-l20-bmx-bike-25monycycl20mlgnl2zdw/25monycycl20mlgnl2zdw","currency":"USD","source_country":"US","price":309.99,"price_gbp":229.24,"scraped_at":"2026-09-13T13:39:51.097690"},{"label":"Public Lands","url":"https://www.publiclands.com/p/mongoose-youth-legion-l20-bmx-bike-25monycycl20mlgnl2zdw/25monycycl20mlgnl2zdw","currency":"USD","source_country":"US","price":309.99,"price_gbp":229.24,"scraped_at":"2026-09-13T13:39:51.097690"}],"summary":"The Mongoose Legion L20 is a freestyle BMX bike with a durable Hi-Ten steel frame, 20 in x 2.3 in tires, aluminum rims, and an 8 in rise handlebar. Its single-speed drivetrain and aluminum U-brake make it suited to young riders learning BMX skills at skateparks, on streets, and on dirt trails.","ideal_for":"适合希望选择更安静的儿童 BMX 自行车的骑手，因为其单速传动系统没有变速机构；20 in 轮胎和铝合金 U 型刹车可为 8 岁及以上的骑手提供稳定且易于控制的骑行体验。"},{"brand":"Mongoose","model":"Switch 18in","price_gbp":162.69,"origin_country":null,"specs":{"age_range":"6-9 years","wheelsize":"18 in","brake_type":"Rear coaster and rear-caliper hand brakes","gear_number":"1"},"confidence_score":null,"sources":[{"label":"Mongoose","url":"https://www.mongoose.com/products/switch-18in","currency":"USD","source_country":"US","price":219.99,"price_gbp":162.69,"scraped_at":"2026-09-13T13:39:51.097690"}],"summary":"The Mongoose Switch 18in is a kids bike with an 18 in wheel, steel frame, single-speed drivetrain, removable training wheels, and freestyle pegs. Its low standover design and adjustable seat suit young riders learning to balance and progressing toward independent riding.","ideal_for":"适合希望购买更安静的儿童 BMX 风格自行车的家庭，因为单速传动系统无需换挡，可避免换挡噪音；可拆卸辅助轮和脚刹则有助于实现稳定、受控的骑行。"},{"brand":"Mongoose","model":"Rebel RS1 - 20in","price_gbp":170.08,"origin_country":null,"specs":{"age_range":"7-13 years","wheelsize":"20 in","brake_type":"Rear U-Brake","gear_number":"1","handlebar_height":"8 in rise"},"confidence_score":null,"sources":[{"label":"Mongoose","url":"https://www.mongoose.com/products/rebel-rs1-20in","currency":"USD","source_country":"US","price":229.99,"price_gbp":170.08,"scraped_at":"2026-09-13T13:39:51.097690"}],"summary":"The Mongoose Rebel RS1 is a lightweight aluminum race-style BMX bike with 20 in wheels, a three-piece crank, and 44/16T gearing. It suits children roughly 7-13 years old who want a responsive bike for BMX racing and active riding.","ideal_for":"其轻量化铝合金车架、20 in 车轮和单速配置，使其成为适合儿童的相对安静的 BMX 选择，因为传动系统部件更少，产生的噪音也更少。"}]}