
Sport Outdoor
Expandable Waterproof Bike Trunk Bag 20–35L for MTB & Road Cycling
Expandable waterproof bike trunk bag with 20-35L capacity. Dual-side panniers, durable materials. Ideal for commuting, touring, and mountain biking.
- Primary keyword
- waterproof bike trunk bag
- Processing
- 1-3 business days
- Shipping
- Free shipping on eligible orders
- Source shipping
- US $19.87
Product Details
Expandable waterproof bike trunk bag with 20â35L capacity. Product Highlights: expandable from 20L to 35L; waterproof polyester, nylon, microfiber, EVA construction; dual-side pannier design; secure attachment system. Good For: commuting, road biking, touring, mountain biking. Specifications: color Black; material polyester, nylon, microfiber, EVA; capacity 20â35L.
Specs and Attributes
Similar Products

Sport Outdoor
Expandable Waterproof Bike Trunk Bag 20–35L for MTB & Road Cycling
Expandable waterproof bike trunk bag with 20â35L capacity for MTB and road cycling. Durable polyester, nylon, microfiber, and EVA construction.

Sport Outdoor
8.3L Waterproof Bike Trunk Bag for MTB & Road Cycling Outdoor Travel
Waterproof 8.3L bike trunk bag for rear rack mounting. Product Highlights: Large 8.3L capacity; waterproof polyester material; secure zipper closure; fits MTB, road, hybrid bikes. Good For: Commuting, long-distance cycling, outdoor travel, trail riding. Specifications: Capacity: 8.3L; material: polyester; color: Grey with rain cover; mounting: rear rack.

Sport Outdoor
Expandable Waterproof Bicycle Trunk & Pannier Bag 25–45L
Expandable waterproof bicycle trunk and pannier bag with 25â45L capacity. Product Highlights: Adjustable capacity from 25L to 45L; durable polyester with PVC reinforcement; includes rain cover for wet weather; dual-side storage; multifunctional as bike bag and travel handbag. Good For: Commuting, touring, long-distance cycling, weekend trips. Specifications: 25â45L expandable; material: polyester, PVC; includes rain cover.

Sport Outdoor
Expandable Waterproof Bike Pannier Rear Rack Bag 25L Hard Shell Trunk
Expandable waterproof bike pannier rear rack bag, 25L hard shell trunk. Made from waterproof polymer fabric with PVC inner and TPU hard shell. Product Highlights: expands from 13L to 25L; roll-down closure; reflective strips; tool-free installation; can be used as pannier, handbag, or shoulder bag. Good For: commuting, touring, e-bikes, road and mountain bikes. Specifications: Color Yellow & Black; weight 2.16 lb; dimensions 15.7 x 9.1 x 7.9 inches (unexpanded).