Lock ring for bicycle mattress column

Control the height of your bike column with easy access by coson bike column lock ring

Lightweight aluminum ring can be installed with referees on the bike shaft

The ring is in elegant black and fits all kinds of bicycles

The ring is lightweight and easy to install on the seat shaft

The lock ring shows the height of the column to the length you want and prevents sliding

Buy bike mattress pole lock ring from my bike shop now

Ring weight is estimated at 45 gm

Product dividers

• Brand cozo

• Model number 11429

• Aluminum alloy making material

• Weight 45g

• Color is black