Yes, you can direct-inject sealant through the valve simply by removing all pressure in the tire and using either a syringe style injector with tube, or cutting the top of the sealant bottle to size. The Fillmore has no valve core to remove or get in the way. Then choose the correct rubber base for your rim type. Rims with a curved rim section will use the circular rubber base. Rims with a square rim section will use the square rubber base. Slot this on down to the bottom of the valve stem. (If you find your rim has a larger valve hole and the smaller circular fitment is too loose, use the larger circular fitment to plug the hole) There is no chance of rust damaging them since they are completely anti-rust. A custom color is also available to match the color of your bike, making them a good choice for both road and mountain bike rims.

The anodized metal VeloTubes Tubeless Valve Stem comes in a wide range of colors to make its appearance great. i72 Presta stem valves can help you to convert your non-tubeless-ready MTB to a tubeless bike. You will require a Schrader to Presta adapter for this. The tapered rounded and square grommets adjust nicely to the wheel and have no sign of wear and tear after several reinstallations. Muc Off is made with a wide variety of rubber seals that make it compatible with different rim bed shapes. Therefore, you can apply these valve stems on every set of tires you want. To have it tight, all you have to do is choose the right adapter according to the shape of the rim bed. Well, if (and it’s a big if) Reserve’s claims are to be believed, the new valve goes some way to solving a lot of those problems.This type of stem is ideal for cyclists who are looking for a balance between price and performance. These valve stems are a great replacement for old Presta valves. As well as being lightweight, these stems can also remain in good condition for a long time. We know how frustrating it is to have a leaky tubeless valve that just doesn’t seal! So we set about designing and making our own premium tubeless valves to solve the hassle of finding your tyre flat every time you go to ride. Make your tubeless valves your own with our range of coloured accessories. Compatible with most tubeless ready wheels and tyres, these valves are the ultimate companion for keeping your rims looking fresh AF. The plug at the bottom of the stem pushes down into the tyre’s void to allow air in, and hopefully keep sealant out. Reserve

These striking red valves are supplied with 3 sets of different shaped rubber inserts to fit a variety of rim shapes, the V2 tubeless valves will ensure the perfect valve to rim seal.

Continental Quality Road Inner Tube

In addition to the Presta and the Schrader, there is also another type of valve called the Dunlop valve (or a Woods valve), more prevalent on urban bikes in Europe. It is very infrequently seen in the UK, US, or on-road and mountain bikes. The base diameter of a Dunlop valve is similar to a Schrader valve however inflated with the pump head similar to a Presta valve. The first step is choosing the suitable grommet base for the wheel rim. They are usually in two styles: round and conical. The round rubber bases are more traditional and proper for standard rims, but some modern flat conical base rims seal better. Available in 10 eye-popping colours and three sizes - 44mm, 60mm & 80mm - well suited for both MTB, gravel, and road. MBP Alloy Tubeless 40mm Bicycle Presta Valve Stems are good choices for new users in the world of tubeless wire setups because they are affordable and super easy to install. One of the biggest advantages of going tubeless is the easy, no-fuss setup. Tubeless valve stems depend on the air pressure for sealing.