ZTTO Bike V Brake Extension Bicycle Wheel Extended Conversion Seat Converter Adapters 406 to 451 with Fixed Screws

Features:
Made of high-quality aluminum alloy, strong and durable, not easy to rust.
It can protect the bicycleframe and improve the braking effect.
Small and lightweight, it will not burden riding.
Delivered with fixing screws, easy to install and remove.
General accessory, suitable for converting 14in to 16in, 16in to 18in, 18in to 20in, and 406 to 451.

Specifications:
Color: Black/ Red(optional)
Material: Aluminum Alloy
Item Weight: 29.8g/ 1.1oz

Packing List:
2 * Refitted Pieces
2 * Screws