Ulac Coursier GT Max 4.2 L Handlebar Bag

The Ulac Coursier GT Max 4.2 L is the largest handlebar bag in the Coursierpak family, designed for urban, gravel, and bikepacking cyclists who need high capacity, stability, and weather protection.

Made with waterproof materials and featuring a structure designed to maintain perfect balance even without a rack, this bag offers a generous internal space of 4.2 liters, ideal for carrying everything you need during daily rides or longer adventures.

Key Features

Large 4.2 liter capacity

The spacious main compartment allows you to comfortably carry accessories, technical clothing, snacks, tools, and personal items.

Waterproof materials and total protection

The waterproof nylon and polyester construction protects the contents from rain and moisture, while the water-repellent double zippers ensure greater practicality and security.

Quick-access top pocket

The practical mesh top pocket allows quick access to your smartphone or most used items while cycling.

Multifunction external elastic cords

The integrated elastic cords allow you to easily carry:

• windbreaker;
• glasses;
• small accessories;
• umbrella.

Stability without a rack

The bag's design was developed to ensure optimal stability and balance even without the use of additional supports.

Double zip closure

The double zipper facilitates quick and practical access to the contents even during quick stops.

Protected and scratch-resistant interior

The internal padding protects the contents from bumps, while the soft-touch lining prevents scratches on delicate devices and accessories.

Included equipment

The bag comes with:

• waterproof wallet;
• multifunction carabiner.

Mounting system

The Coursier GT Max includes:

• 3 Velcro straps;
• 1 additional multistrap for greater handlebar stabilization.

Compatible with most bicycles and e-bikes.

Always check compatibility with frame and handlebars before purchase.
Ensure the bag does not interfere with safe riding before use.

Technical Specifications

• Capacity: 4.2 L
• Weight: 435 g / 0.95 lbs
• Main bag dimensions: 260 × 125 × 160 mm
• Wallet dimensions: 155 × 105 mm
• Main material: waterproof nylon + polyester
• Closures: water-repellent double zippers
• Compatibility: suitable for most bikes and e-bikes

Additional features

• Waterproof fabric
• Protective padded interior
• Soft-touch scratch-resistant finish
• Internal storage pocket
• Quick-access mesh top pocket
• Multifunction external elastic cords
• Front eyelet
• Stable handlebar mounting

Included accessories

• Carabiner
• Waterproof wallet

The Ulac Coursier GT Max 4.2 L is the ideal solution for those seeking a spacious, waterproof, and stable handlebar bag, perfect for urban commuting, touring, and bikepacking adventures.