# 市场上最轻的可扩展带轮背包有哪些？ — 经过验证的规格比较

> 所有规格数据均已通过官方渠道验证。

What are the lightest expandable wheeled backpacks on the market?

## 产品列表

### Ortlieb Duffle RG 34L
```yaml
product: ortlieb-duffle-rg-34l
brand: Ortlieb
price_gbp: 185.09
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
weight: 98.8 oz
capacity: 34 L
wheel_type: 100 mm wheels
number_of_pockets: 2
collapsed_dimensions: 55 x 35 x 23 cm
```

- **价格:** £185.09 [^1]
- **概述:** 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.
- **最适合:** 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。
- **附加来源:** [^2], [^3]

---
## 参考来源
[^1]: Ortlieb, 访问日期 2026-09-13. https://us.ortlieb.com/products/duffle-rg
[^2]: Holland Bike Shop, 访问日期 2026-09-13. https://hollandbikeshop.com/en-gb/bicycle-bags/ortlieb-bags/ortlieb-travel-bags/ortlieb-travel-bag-duffle-rg-k12001-34l-black/
[^3]: Ridewill, 访问日期 2026-09-13. https://www.ridewill.com/p/en/ortlieb-ordur34n-duffle-bag-rg-34-k12001-black/1593207/