Pro Mechanic Efren Segarro shares the proper use for WD-40 by NOT using it on bike disc brake, caliper, rotor areas.
Product used here: WD-40 Smart Straw [ Ссылка ]
Find out more about WD-40 BIKE range: [ Ссылка ]
![](https://s2.save4k.ru/pic/faPUq7KFTdw/maxresdefault.jpg)
Pro Mechanic Efren Segarro shares the proper use for WD-40 by NOT using it on bike disc brake, caliper, rotor areas.
Product used here: WD-40 Smart Straw [ Ссылка ]
Find out more about WD-40 BIKE range: [ Ссылка ]