Geosmina Top Tube You Dee UL

Geosmina Top Tube You Dee UL is a streamlined, fully waterproof top tube bag built for long-distance bikepacking where every item needs to earn its place. Narrow and aerodynamic, it mounts securely to the frame and keeps essentials protected through wet rides and rough conditions. A removable inner structure and internal divider help organize a two-compartment loadout while maintaining easy access on the move. Reflective logos add extra visibility in low light.

• Top tube bag with a narrow, aero profile for ultra-distance riding and carrying only the essentials
• 100% waterproof construction with seamless, high-frequency welded build
• Waterproof TPU inner laminate helps block rain and road spray
• Two waterproof zip sets with pullers for easier operation with gloves
• Two Hypalon-reinforced Velcro strap sets with three attachment points to suit different tube sizes
• Dual fixation system (DF) uses Velcro and screws for stable mounting to the frame
• Removable waterproof 210D ripstop inner structure with PU coating and high-contrast yellow lining
• Internal divider creates a practical double-compartment layout
• Front cable pass-through port for routing charging or shifting cables
• Reflective logos for improved nighttime visibility

Weight
250 g

Dimensions
44 x 10 x 4 x 5 cm

Materials
420D nylon with TPU lamination (210D ripstop internal structure)