Assistor Booster Auxiliary Wheel Fold-up Cycling

• After folding the bike, the booster is installed at the seat pole, which can help to push and lift.
• Hidded embedded: The auxiliary wheel is installed inside the folding bicycle seat pole, which is convenient and fast, it will not affect the removal of the bike.
• 360° universal smooth rotation, free control of direction, lightweight.
• Not only suitable for folding bikes, but also can be installed on the round tube with inner diameter of 28-32mm, like table, garment racks or shelf.
• Embedded Push wheel, Suitable for all kinds of seat tube(without air pump)

1 Piece Auxiliary Wheel