Geosmina Frame Bag You-Dee Black

Geosmina Frame Bag You-Dee – a compact waterproof frame bag for gravel and bikepacking

The Geosmina Frame Bag You-Dee Black is a compact 2.5-liter frame bag for gravel, road, bikepacking, and long-distance riding. You-Dee stands for Ultra-Distance, and the bag is designed for situations where you want to carry only the most essential gear without unnecessary weight or air resistance.

The bag attaches to the bike frame with removable Velcro straps. Its compact design is particularly well-suited for gravel and road bikes, as well as frames where you want to maintain maximum space for water bottles. The 2.5-liter capacity is well-suited for items such as a phone, gels, energy bars, a multi-tool, a spare tube, CO2 cartridges, a wind vest, a power bank, or other essentials for your rides and trips.

The outer shell is 600D TPU-laminated nylon, and the construction is made without traditional sewn seams. The high-frequency welded structure, waterproof YKK zippers, and Hypalon reinforcements make the bag a durable choice for varying weather conditions.

Pockets opening on both sides make it easier to organize and access items during the ride. The yellow 210D Ripstop inner lining improves visibility inside the bag, allowing you to find small items more quickly.

A lightweight frame bag for ultra-distances, trips, and daily riding

The Geosmina You-Dee Frame Bag is designed for the rider who wants extra storage on the bike frame without a large bag that fills the entire frame triangle. A small frame bag keeps the weight low and centered on the bike, which maintains better handling than a heavy load packed into a saddle or handlebar bag.

You-Dee is particularly well-suited for long gravel rides, brevets, ultra-distance events, commuting, light bikepacking trips, and everyday gear transport. The bag is small enough for fast riding but spacious enough for the most important supplies.

An opening at the front allows for the routing of a charging cable or a hydration bladder tube. This is a practical solution for long events where you want to keep your bike computer, lights, or phone charging from a power bank while riding.

The Velcro straps that attach to the frame are removable and replaceable. Hypalon reinforcements increase durability at the attachment points, and reflective logos improve visibility in low-light conditions. Protecting the frame paint with protective tape is recommended for all frame bags, especially on carbon fiber and matte-finish frames.

Technical specifications and features

Key features

• Compact frame bag for gravel, road, and bikepacking
• You-Dee / Ultra-Distance model
• 2.5-liter capacity
• Lightweight and aerodynamic construction
• 600D TPU-laminated nylon outer shell
• High-frequency welded seamless construction
• Waterproof material and construction
• Waterproof YKK zippers
• Pockets opening on both sides
• Yellow 210D Ripstop inner lining for easier item identification
• Removable and replaceable Velcro straps
• Hypalon reinforcements at attachment points
• Front cable/tube port
• Reflective logos
• A great option for a phone, energy products, tools, and spare tubes
• Black color

Technical specifications

• Product: Geosmina Frame Bag You-Dee Black
• Model: You-Dee / Ultra-Distance Frame Bag
• Product type: Frame bag
• Usage: Gravel, road, bikepacking, brevet, ultra-distance, commuting, touring
• Capacity: 2.5 L
• Dimensions: approx. 28 x 14 x 5 cm
• Weight: approx. 150 g
• Outer shell: 600D nylon, TPU lamination
• Inner material: 210D Ripstop nylon
• Reinforcements: Hypalon
• Construction: High-frequency welded / seamless
• Zippers: Waterproof YKK zippers
• Attachment: Removable Velcro straps
• Pockets: Double-sided pocket structure
• Port: Front cable/tube port
• Reflectors: Reflective logos
• Color: Black
• Manufacturer's product code / MPN: GEO11163
• Sales unit: 1 frame bag