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TOPEAK · Rack bag
Compact, streamlined storage for RX QuickTrack® racks
$84.99
PriceIn stock, ready to ship
The TOPEAK RX TrunkBag EX is a neat way to carry ride essentials without the bulk of a touring bag. Its 2.8-litre capacity, organised compartments and rigid foam construction suit road, fitness and everyday bikes fitted with a compatible RX QuickTrack® rack.
Sold by Ashburton Cycles
Verified store
Price
$84.99
Capacity
2.8 L / 170 ci
Weight
570 g / 1.25 lb
Dimensions
31 x 19 x 15 cm / 12.2 x 7.5 x 5.9 in
The RX TrunkBag EX gives you 2.8 litres of compact storage in a streamlined rack-top design. The main compartment handles your essentials, while two side zippered compartments keep smaller items organised and easy to reach. Its aero shape is well suited to road and fitness bikes when you want extra carrying capacity without a large, bulky bag.
The rigid foam construction helps the bag retain its shape and provides insulation for the contents, while the durable 600 denier polyester outer keeps it ready for regular commuting, training rides and day trips. Elastic top bungees give you a convenient place to secure lightweight extras, and the built-in handle and included shoulder strap make the bag easy to carry once you reach your destination.
Attachment is quick and tidy: slide the bag onto a compatible RX QuickTrack® rack for a secure, streamlined fit, then remove it when you need to take your gear with you. A 3M™ reflective strip and safety light clip improve visibility in low-light conditions. The bag is not supplied with a rain cover, but an optional cover is available; loading remains limited by the maximum rating of your rack.
Ideal for road, fitness and hybrid-bike riders who want organised everyday storage that quickly attaches to and removes from a compatible RX QuickTrack® rack.

Compact 2.8-litre capacity
Carries everyday ride essentials while keeping the overall profile neat and streamlined.
Three organised compartments
Use the main compartment for larger items and the two side zippered compartments for smaller gear.
RX QuickTrack® attachment
Slides onto a compatible RX QuickTrack® rack for quick fitting and removal.
Rigid foam construction
Helps the bag retain its shape and provides insulation for the contents.
Aero shape
Designed to suit road and fitness bikes without the bulk of a larger touring bag.
Carry options included
A built-in handle and included shoulder strap make it practical to carry off the bike.
Low-light visibility features
A 3M™ reflective strip and safety light clip provide useful visibility options after dark.
Flexible external storage
Elastic top bungees provide a convenient spot for securing lightweight extras.
Topeak MTX EX Trunkbag and Rack Review
Cycling366
Every detail as listed by the manufacturer.
TOPEAK is a cycling accessories brand focused on practical equipment for riding, maintenance, transport and storage. Its product range includes pumps, tools, bags, racks, lights, fenders, bottle cages, bike travel cases and workshop equipment for road, mountain, gravel, touring, urban and electric-bike use. The brand describes its work as being driven by cycling experiences ranging from short trips around town to long journeys. TOPEAK’s history of product development includes the QuickTrack® BeamRack and TrunkBag introduced in 1997, alongside later systems and accessories designed to support everyday riders and performance cyclists.
TOPEAK · Rack bag
Compact, streamlined storage for RX QuickTrack® racks
$84.99
In stockCapacity
2.8 L / 170 ci
Weight
570 g / 1.25 lb
Dimensions
31 x 19 x 15 cm / 12.2 x 7.5 x 5.9 in
Material
600 denier polyester
The TOPEAK RX TrunkBag EX is a neat way to carry ride essentials without the bulk of a touring bag. Its 2.8-litre capacity, organised compartments and rigid foam construction suit road, fitness and everyday bikes fitted with a compatible RX QuickTrack® rack.
The RX TrunkBag EX gives you 2.8 litres of compact storage in a streamlined rack-top design. The main compartment handles your essentials, while two side zippered compartments keep smaller items organised and easy to reach. Its aero shape is well suited to road and fitness bikes when you want extra carrying capacity without a large, bulky bag.
The rigid foam construction helps the bag retain its shape and provides insulation for the contents, while the durable 600 denier polyester outer keeps it ready for regular commuting, training rides and day trips. Elastic top bungees give you a convenient place to secure lightweight extras, and the built-in handle and included shoulder strap make the bag easy to carry once you reach your destination.
Attachment is quick and tidy: slide the bag onto a compatible RX QuickTrack® rack for a secure, streamlined fit, then remove it when you need to take your gear with you. A 3M™ reflective strip and safety light clip improve visibility in low-light conditions. The bag is not supplied with a rain cover, but an optional cover is available; loading remains limited by the maximum rating of your rack.
Ideal for road, fitness and hybrid-bike riders who want organised everyday storage that quickly attaches to and removes from a compatible RX QuickTrack® rack.
Compact 2.8-litre capacity
Carries everyday ride essentials while keeping the overall profile neat and streamlined.
Three organised compartments
Use the main compartment for larger items and the two side zippered compartments for smaller gear.
RX QuickTrack® attachment
Slides onto a compatible RX QuickTrack® rack for quick fitting and removal.
Rigid foam construction
Helps the bag retain its shape and provides insulation for the contents.
Aero shape
Designed to suit road and fitness bikes without the bulk of a larger touring bag.
Carry options included
A built-in handle and included shoulder strap make it practical to carry off the bike.
Low-light visibility features
A 3M™ reflective strip and safety light clip provide useful visibility options after dark.
Flexible external storage
Elastic top bungees provide a convenient spot for securing lightweight extras.
Topeak MTX EX Trunkbag and Rack Review
Cycling366