brand new and high quality
OOTDTY  
Features:

Disc brake aluminum rear shelf.
Suitable for mountain bikes, road bikes and folding bikes.
Easy to install and use.
Adjustable height can fit for the height of the disc brake.
Made of high-quality aluminum alloy, it is durable and strong.
Awesome accessories.
Installation location: the pillar below the for SEAT (the itself has holes for installation)
One set of shelf only, other accessories demo in the picture is not included!

Specification:
Type: shelf
Material: Aluminum alloy
Color: As pictures shown
Size: Length: app.40 for cm/15.75 in;Width: app.13 for cm/5.12 in;Height: app.30 for cm/11.
Quantity: 1 Set

Note:

No retail package.
Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.
Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

Package Includes:

1 Set x shelf