Topeak Beam Seatpost Mount | A-Rack




The Topeak Beam A-Type Rack is a seatpost mountable e-bike rack designed for road bike use. Get it at Leeds Electric Bike! The Topeak seatpost mount bike rack fits 25.4-31.8 mm seat posts and comes with high-strength 6061 T6 aluminum construction that’s designed to stand up to the rigors of long bike treks and mountain biking.

We have the right e-bike racks in different sizes to suit your bicycle. Whether you want to carry an extra battery, a hiking pack or other small gear, the seatpost e-bike bike rack can easily carry 20-pound loads.

Practical and Easy to Fit

Easy to mount in seconds, the Topeak Beam A-Type Rack comes with a quick track system and a hinged seatpost clamp with an aluminum quick release lever. When you want a high-quality mountable seatpost rack that’s easy to install and remove, we have the right selection of racks for you. Improve your e-bike cycling experience with the Topeak Beam A-Type Rack.

Designed for small bikes, the Topeak seatpost mount bike rack is practical and simple with its quick-release design.

Your Everyday Cargo Solution

Perfect for mounting a standard bike bag on your e-bike, our Topeak Beam seatpost racks allow you to carry anything you need, including an extra 250 Series battery pack. The Topeak Beam Seatpost Rack system is a result of years of testing and refinement. Mount it on your e-bike and carry anything you need.

Shop the durable Topeak Beam Seatpost Rack when ordering your e-bike kit today. We have the best everyday cargo solution for your e-bike at Leeds Electric Bike.


  • Color: Black
  • Material: Aluminum
  • Platform Dimensions: 21.3 x 5″
  • Seatpost Diameter: 25.4-31.8 mm
  • Tube Diameter: 6.4 mm
  • Weight: 680 g
  • Weight Limit (lbs): 20 lbs

Designed to carry the 250 Series (250 Watt) Electric Bike Kit Battery Systems and/or the Topeak MTX TrunkBag EX Rack Battery Bag with the battery system inside.

Additional information

Weight 1.5 lbs