Product name: Vacuum tire pad

Specification: 21/23/25/27/29/32/34mm

Used to seal the inner hole of the wheel rim and maintain the airtightness of the tire under high pressure.

It is recommended to wrap each wheel twice. Each bike with a length of 10m for all specifications

Reference width of Mountain bike: rim width+(2~4) mm. (or the outer width of the rim is about -2mm). Most of the 23/25mm tire pads are used.

10m is enough for two Mountain bike (meaning two bikes) (meaning two pairs of wheels) (meaning four wheels).

10m is enough for one road bike (with two layers wrapped around the road vehicle).