Description:

【TYPE】: Foldable Bicycle Extension Seat Bike Wheel Set Support Convert Seat.
【NOTE】: Fit for 20inch frame 451 changed to 406 wheel set. Before installation, please confirm whether your bike has center support installation holes.
【MATERIAL】: This bicycle extension seat is made of qualified aluminum alloy, solid, firm, and durable to use.
【EASY TO USE】: It is possible to change the brake of the original position to the support position in the frame so that the overall appearance of the car will look better.
【HIGH QUALITY】: Integrated production, surface anodizing, corrosion resistance, higher hardness.

Specification:

Material: Aluminum Alloy
Size: 2.2cmx2.2cmx3.6cm/0.87inchx0.87inchx1.42inch

Package Includes:

1 Conversion Seat Converter Adapter
1 Screw

Note:

Please allow slightly errors due to manual measurement and different monitors.