Retractable Bike Rear Luggage Cargo Rack Carrier Bicycle Seatpost

Features:
✔Premium Material
Made of high-quality aluminum alloy, durable, sturdy and lightweight, resistant to collision, can bear up to 20lb of cargo.
✔Ajustable Length
Just loosen the screws at the bottom, you can extend or retract the shelf to suit different sizes and shapes of goods. 
✔Quick Release
Adjustable quick release clamp design, helping easily and quickly disassemble. Fits seatpost diameter 27.2-31.8mm.
✔Easy Installation
No other accessories are needed, just tighten the screws to install it on your bicycle, quick and convenient.
✔Wide Application
This rear rack is perfect for a cycling trip and excursions, suitable for mountain bikes, road bikes, folding bikes, etc.

Specification:
Material: Aluminum alloy
Color: Black
Size: 16.5 x 4.7 in
Weight: 18 oz
Maximum Load Capacity: 20LB
Maximum Extendable Length: 20 in
Applicable Seatpost Diameter: 27.2-31.8mm

Package Included:
1 x Bike Carrier Rack