The ULAC Trekking Max is the largest option in the Trekking top tube collection, offering a generous 1.6-liter capacity designed specifically for bikepackers and long-distance commuters. Built with a focus on organization and stability, this bag provides a secure home for snacks, tools, and electronics without impeding your pedaling or steering.
Constructed from water-resistant nylon with a 100% waterproof perimeter, it features a weather-resistant YKK zipper to keep your gear dry during unexpected showers. The bag is held firmly in place by a three-point Velcro attachment system, which can be adjusted to fit the specific geometry of almost any bike or e-bike. Its soft-touch, padded exterior ensures that while the bag stays put, your frame remains scratch-free.
Maximized Organization: Features a large main compartment with an internal mesh pocket for sorting smaller items.
External Side Pockets: Two additional side pockets provide quick access to energy gels or small tools.
Smartphone Security: The left-side pocket includes a dedicated multiband designed to keep your phone from sliding out during bumpy transitions.
Weatherproof Construction: Utilizes weather-resistant fabrics and a sealed zipper to protect contents from road spray and light rain.
Frame Protection: The padded base and soft mounting straps prevent vibration noise and protect the top tube's finish.
Easy Access: Designed with a structural shape that allows for one-handed zipper operation while riding.
| Feature | Specification |
| Capacity | 1.6 Liters |
| Dimensions | 250mm x 110mm x 65mm |
| Weight | ~150 grams |
| Material | Nylon with Waterproof Perimeter |
| Attachment | 3x Adjustable Velcro Straps |
| Compatibility | Standard Road, Gravel, MTB, and E-Bikes |
Bikepackers & Commuters: If you need to carry heavy-duty power banks, large smartphones, or enough nutrition for a full day in the saddle.
Riders with Clean Cockpits: Ideal if you want to eliminate bulky saddle bags or jersey pocket bulge by moving your essentials to the top tube.
Organization Enthusiasts: Perfect for those who prefer multiple compartments over a single "dump bin" style bag.
Minimalist Racers: The 1.6L size has a larger footprint; for shorter, faster rides where you only need a single gel and a multi-tool, the ULAC Trekking 0.9L is a sleeker alternative.
Aggressive Out-of-Saddle Climbers: Due to the 65mm width, riders with a very narrow pedaling stance may experience occasional knee contact when climbing out of the saddle.
Bolt-On Specific Frames: While it fits most bikes, this specific model uses straps only. If your frame has dedicated top tube bosses, the ULAC Trekking GT Pro offers a cleaner bolt-on interface.
