{"niche":"适合幼儿的最轻、最便携的平衡车有哪些？","description":"What are the lightest and most portable balanced bikes for toddlers?","products":[{"brand":"Retrospec","model":"Cub Plus XL 14in Kids Balance Bike (2-6 yrs)","price_gbp":106.35,"origin_country":null,"specs":{"weight":"10.3 lb","wheel_size":"14 in","seat_height":"15-21 in","braking_system":"Front and rear V-brakes (hand-operated, reach-adjustable aluminum V-brake)","max_load_capacity":"80 lbs"},"confidence_score":null,"sources":[{"label":"Retrospec","url":"https://retrospec.com/products/cub-plus-xl-14-kids-balance-bike-2-6-yrs","currency":"USD","source_country":"US","price":139.99,"price_gbp":106.35,"scraped_at":"2026-06-26T05:06:24.323279"},{"label":"Velocity Bike Shop","url":"https://www.velocitybikeshop.net/product/retrospec-cub-plus-xl-14-kids-balance-bike-1253551-1.htm","currency":"USD","source_country":"US","price":149.99,"price_gbp":113.95,"scraped_at":"2026-06-26T05:06:24.323279"},{"label":"Retrospec","url":"https://retrospec.com/products/cub-plus-xl-14-kids-balance-bike-2-6-yrs","currency":"USD","source_country":"US","price":139.99,"price_gbp":106.35,"scraped_at":"2026-06-26T05:06:27.087865"},{"label":"Velocity Bike Shop","url":"https://www.velocitybikeshop.net/product/retrospec-cub-plus-xl-14-kids-balance-bike-1253551-1.htm","currency":"USD","source_country":"US","price":149.99,"price_gbp":113.95,"scraped_at":"2026-06-26T05:06:27.087865"}],"summary":"Retrospec Cub Plus XL is a pedal-less 14 in balance bike designed to help toddlers build balance and coordination before moving to a pedal bike. It has adjustable seat height (15-21 in) and reach-adjustable front and rear V-brakes for child-sized stopping control. It's intended for taller kids in the 2-6 year range.","ideal_for":"It's one of the lighter 14 in balance bikes at 10.3 lb and includes dual hand V-brakes plus a wide adjustable seat range (15-21 in), making it practical for portability while still fitting toddlers as they grow."}]}