Topeak Beam Seatpost Rack MTX A-Type
Best quick-release storage for commuters and mountain bikers needing light cargo.
This seatpost-mounted rack is the ultimate solution for riders who need cargo capacity without the hassle of permanent frame mounts. It offers a quick, secure way to haul gear on your daily commute or trail ride, though you’ll sacrifice some weight capacity compared to traditional, bolt-on racks.
$115.00
at
Tosa Bike Garage
Who it's for
- Cyclists with full-suspension or carbon bikes lacking mounting eyelets
- Commuters needing fast, secure attachment for Topeak bags
- Riders with smaller frames needing compact, non-obstructive storage
Who should skip it
- Touring cyclists or grocery shoppers needing heavy-duty cargo capacity
- Off-road riders requiring absolute stability on rough terrain
- Owners of carbon seatposts or dropper posts needing specific clearance
Performance breakdown
Installation Speed
Quick-release mechanism allows for near-instant mounting and removal on most posts.
Load Capacity
Twenty-pound limit is sufficient for commuting essentials but restricts heavy touring gear.
System Compatibility
Seamless integration with the entire Topeak MTX and RX bag ecosystem.
Structural Rigidity
Sturdy aluminum construction handles road vibrations well without excessive sway.
Versatility
Ideal for mountain bikes or road bikes lacking traditional rack braze-ons.
Condition Integrity
Functional performance remains high despite minor cosmetic wear from open-box status.
Key Specs
Category
Seat Post Rack
Rack Type
Rear, Disc Compatible
Fits post size
25.4~31.8mm (shims Incl.)
Compatibility
MTX QuickTrack System also fits RX packs
Max. Weight Capacity
9 kgs / 20 lbs
Material
Aluminum beam
Dimensions
54 x 12.7 x 8.1 cm (21.3" x 5" x 3.2")
Weight
680 g / 1.50 lbs
Still have a question?
Ask Metto anything about the Topeak Beam Seatpost Rack MTX A-Type before you decide.
