Hello in this video I will show you an alternate way to get Slime sealant into your Presta valve tube Other youtubers like KriegerKrieg remove the valve lock nut I don’t like to do this because the lock nut threads are mushroomed to prevent it being removed and this could cause you to lose the nut in the future Some of you will have a removable core in which case you just remove the core and inject it through the valve body My method is very simple all you do is make a pin prick in your tube Wiggle some small long nosed pliers into the hole Widen the hole just enough to get the slime applicator into the hole Screw it back onto the slime bottle and squeeze in the desired amount of slime When this has been completed remove the bottle and repair the puncture as you normally would Add plenty of chalk to prevent your repair from sticking to the tyre wall Don’t forget to check out my other bike maintenance video and click subscribe Thank you for watching

20 thoughts on “How to inject slime inner tube sealant into a Presta valve”

  1. or you buy a park tool vc-1 valve core remover. one end works for Schrader valve and the other end removes presta. no need to made a hole in the tube or remove the lock nut.

  2. So you didn't wanna do the job right the first time, you opted to take a short cut that will probably shag up the tire in the long run. This is a waste of time and patches!

  3. lol, it seem like a crude technique but to be fair this is actually a good way to put slime in if you have a non removable valve core. I did this to both my tyres and works a treat. The trick is when making the hole in the tube dont make it any bigger than it needs to be and then using a normal puncture repair kit (dont use the glueless patches as it wont hold) to repair the the hole you made.

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