Alloy Folding Bike Auxiliary Roller Universal Foldable Assistor Wheel For 28-32mm Seat Post Sliding Fold-up Cycling Accessories

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 seat pole, which is convenient and fast, it will not affect the removal of the bike. 360° universal smooth rotation, free control of direction, small and 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)

Specification:

Material: Alloy

Size: Dia 3.5CM/1.38 inch, Height 6.9CM/2.72 inch

Package Includes: