• 【Fully Waterproof Design】Crafted with double-sided PVC mesh fabric and roll-top sealing, effectively preventing water infiltration and keeping contents dry.
• 【Expandable Capacity】Adjustable from 10L to 14L, accommodating equipment needs for medium to long-distance cycling adventures.
• 【3D Support Structure】Built-in skeletal support system maintains the bag's shape, preventing deformation and protecting contents from compression.
• 【Secure Installation System】Equipped with non-slip leather, magic tape, and elastic cord fixings to ensure a stable attachment to your bike.
• 【Smart Features】Integrated air release valve and foldable design for convenient use and storage.

Specifications:

• Material: PVC mesh fabric
• Capacity: 10L (folded) / 14L (expanded)
• Compatibility: Universal fit for mountain bikes, road bikes, and more
• Waterproof Rating: Fully waterproof
• Closure Type: Roll-top sealing
• Mounting System: Non-slip leather, magic tape, and elastic cord
• Additional Features: Air release valve, foldable design