Topeak RX TrunkBag – Compact, Expandable Road Bag

The Topeak RX TrunkBag is a larger capacity, aerodynamic road bag designed for commuting, school, errands, or fitness rides. Constructed with rigid foam, it maintains its shape while protecting your gear and offers lightweight insulation.

This trunk bag features a large main compartment, two zippered side compartments that expand into full panniers, and a multi-expanding top for extra storage when needed. Its aerodynamic profile makes it perfect for road and fitness bikes, while the RX QuickTrack® system with side frames ensures secure and stable mounting.

Features:

• Rigid foam insulation holds shape and protects contents

• Large main compartment with expandable side panniers

• Multi-expanding top for extra storage

• Aerodynamic design for road and fitness bikes

• RX QuickTrack® mounting system with attached side panels

• Shoulder strap and carrying handle for off-bike convenience

• Elastic top bungees, 3M™ reflective strip, and safety light clip for visibility

• Optional rain cover for weather protection

Specifications:

• Compartments: 1 main, 2 zippered side compartments (expandable)

• Capacity: 7.3 L / 445 ci

• Max Load: Limited to rack’s rated capacity

• Material: 600 denier polyester

• Bag Attachment: RX QuickTrack® system with attached side panels

• Dimensions: 31 x 20.5 x 16-25 cm / 12.2” x 8.1” x 6.3”-9.8”

• Weight: 755 g / 1.67 lb

The Topeak RX TrunkBag combines style, functionality, and expandability, making it an essential companion for cyclists who need reliable storage without sacrificing performance.