{"pageUrl":"https://comparethespecs.com/zh/fashion-accessories/luggage-suitcases/what-are-the-lightest-expandable-wheeled-backpacks-on-the-market","lastUpdated":"2026-09-13","totalProducts":1,"niche":"市场上最轻的可扩展带轮背包有哪些？","description":"What are the lightest expandable wheeled backpacks on the market?","products":[{"brand":"Ortlieb","model":"Duffle RG 34L","price_gbp":185.09,"origin_country":null,"specs":{"weight":"98.8 oz","capacity":"34 L","wheel_type":"100 mm wheels","number_of_pockets":"2","collapsed_dimensions":"55 x 35 x 23 cm"},"confidence_score":null,"sources":[{"label":"Ortlieb","url":"https://us.ortlieb.com/products/duffle-rg","currency":"USD","source_country":"US","price":465.0,"price_gbp":343.97,"scraped_at":"2026-09-08T06:36:07.612661"},{"label":"Holland Bike Shop","url":"https://hollandbikeshop.com/en-gb/bicycle-bags/ortlieb-bags/ortlieb-travel-bags/ortlieb-travel-bag-duffle-rg-k12001-34l-black/","currency":"USD","source_country":"US","price":250.22,"price_gbp":185.09,"scraped_at":"2026-09-08T06:36:07.612661"},{"label":"Ridewill","url":"https://www.ridewill.com/p/en/ortlieb-ordur34n-duffle-bag-rg-34-k12001-black/1593207/","currency":"USD","source_country":"US","price":273.1,"price_gbp":202.02,"scraped_at":"2026-09-08T06:36:07.612661"}],"summary":"The Ortlieb Duffle RG 34L is a waterproof, IP67-rated travel bag with an aluminum wheel frame, telescoping handle, backpack straps, and rugged underside. Its compact carry-on size suits short trips, active travel, and travelers who need flexible wheeled or backpack carrying options.","ideal_for":"适合寻求轻便、可扩展滚轮背包的旅行者，因为它重 98.8 oz，容量为 34 L，配备 100 mm 轮子和可拆卸的加垫背包肩带，但未列出扩展后的容量。"}]}