Ride with confidence in all weather conditions. The ROCKBROS AS-151 Waterproof Top Tube Bag combines durability, practicality, and sleek design — made for cyclists who value both protection and comfort.

Key Features:

• 100% Waterproof Construction: High-frequency seamless welding with waterproof fabric keeps your essentials dry, even in heavy rain.
• Built-in PP Support Plate: Maintains a firm shape, prevents collapsing, and protects items from squeezing or impact.
• Narrow Streamlined Design: Fits closely to the frame and avoids leg contact for a smoother, more comfortable ride.
• Top Opening Zipper: Easy to open and access your items quickly during rides.
• Reflective Logo: Improves visibility and safety during night rides.
• Tool-Free Installation: Adjustable Velcro straps allow quick mounting and removal — stable and secure on any terrain.
• ≈1L Practical Capacity: Perfect for storing daily riding essentials such as keys, tools, phone, or energy bars.

Specifications:

• Material: 30% Nylon + 70% Polyester
• Support Plate: PP (polypropylene)
• Capacity: ≈1L
• Weight: ≈109g (with straps)
• Compatible With: Road bikes, gravel bikes, and mountain bikes

Why You’ll Love It:
Sleek, weatherproof, and built to last — the ROCKBROS AS-151 keeps your essentials safe while you focus on the ride. Whether it’s your daily commute or a long-distance cycling trip, this compact top tube bag ensures comfort, performance, and protection.