Continental Conti Valve Extender (Pack of 2)

Best in the business if you need them. Most companies sell tubes with extenders already embedded to tube. These extenders are nice and secure, no leaks and last longer than the topeaks.

Works well, requires a removable valve core

These work fine. No complaints. Far cheaper than what I could find locally.

As long as you remember that these work only on tubes with removable cores, these are great. Try them out at home before you ride. Simply remove the valve core, screw these in, and put the valve core in the extender. Voila! They are well made and come with the mini, plastic valve core wrench. If you find a good deal on tubes with short stems with removable cores, these might come in handy, or if you have deep aero wheels that require an extension, these can help. Better to buy the right length stem to begin with.

Just what I wanted. Needed 48mm removable valve core tubes to clear my 88mm Carbon wheelset. Done forget to use Teflon tape for added piece of mind.

Go big go latex! Use these get less flats and go low pressure

These are easy to put in and they look nice. Thank you.

Works great for an 808 size wheel when combined with a 80mm valve stem with RVC. No problems. Thank you!

These things are super long. I wish they were black to match my theme but they go on without a hitch. nice little tool in the pack to tighten the stem and screw/unscrew the presta stem. ZERO leaks. Awesome stuff. dont hesitate to buy these if you have a set of deep V wheels.

Works very well for my FLO wheels. Great for Deep dish wheels. Durability so far works very flawlessly. Put close to 1000 miles on them with no air leak. I recommend using Teflon tape to make a greater seal where it screws on. Recommended