Under Seat Bag Waterproof Saddle Bag With Strap On Bikes

Meet the MOJOYCE Under Seat Bag — a rugged, waterproof saddle bag built to ride with you. This strap-on bike bag sits securely beneath the saddle, adding a compact 0.5L of storage that keeps your essential tools dry and within easy reach. Crafted with seamless TPU and reinforced by high-frequency welding, it’s designed to withstand all weather conditions so you can pedal with confidence through rain, mud, or splashes.

The quick-release knob lock system makes installation and removal effortless—no tools required. Swap bags between bikes in seconds or take your gear with you when you park, offering flexible convenience for daily commutes or weekend adventures. Despite its small footprint, the bag features a reinforced shape to protect contents from getting crushed, ensuring your CO2 cartridges, tire levers, spare tubes, and other small gear stay organized and safe.

Designed for all riding needs, this lightweight under-seat bag fits securely on both road bikes and mountain bikes, providing a reliable storage solution without adding bulk. Its compact, streamlined profile pairs with any bicycle setup while keeping important items accessible when you need them most.

At intercyprus.com since 2002 — trusted for quality and reliability.

Benefits & Tips

• Practical storage for emergency tools and small gear (CO2 cartridges, tire levers, spare tubes) on both road and MTB rides.
• Lightweight and compact, it won’t weigh you down on long rides or daily commutes while keeping essentials dry.
• Easy installation and quick access: use the knob lock to securely attach or remove the bag in seconds, and switch between bikes as needed.

Product specifications

• Material: 600D Polyester / TPU
• Size: 147.00 × 82.00 × 57.00 mm (5.79 × 3.23 × 2.24 inch)
• Capacity: 0.5 L
• Origin: Mainland China
• Features: Waterproof protection with seamless TPU and high-frequency welding
• Closure/Installation: Quick-Release Knob Lock System
• Compatible: Fits under-seat on most road and mountain bikes

Package includes:

• 1x Bike Seat Bag

Warnings/Reminders

• Color may vary slightly due to monitor settings and lighting conditions.
• Please allow 1–2 cm difference in measurements due to manual measuring.
• Do not overload beyond the 0.5 L capacity to maintain waterproof integrity and bag shape.