Pull the needle out when it points downward so the sealant is close to the hole. Rotate the wheel 4–5 turns. Find the needle puncture near the valve and check for bubbles.

If the tire loses pressure during the day without visible bubbles, it may be time to check or refill sealant. As a guideline, around 20 hours, depending on use.

Yes. Release the pressure from the valve and also empty the tire pressure by opening slightly at the rim edge. Open the tire, refill sealant, close it, pressurize the T-Lock tube to 7.5 bar and then set the desired tire pressure.

Yes. There are sealant versions that work down to around -10°C and -20°C. T-Lock and studded tires work well together.

Yes, T-Lock has been tested on SUR-RON, trial and speedway bikes. Current sizes are 16/18/19/21 inches. New sizes are in development.

Note: Some mini bikes have a 1.40x19" front rim that does not fit. Many other bikes use 1.60x19".

In most cases, yes. T-Lock usually fits front rims from 1.60x19" up to 21", and 16/18/19 inch rims up to 2.15 width, depending on model.

1. Release the air from the valve.
2. Release the air from the tire by opening it at the rim edge on both sides.
3. Use two tire levers close together: lift the tire, leaving T-Lock on the rim.
4. Work around both sides and remove the rim from the tire.
5. Mount it back and do not forget sealant.

Tube: 7.5 bar / 110 PSI — check at least once a week, preferably every riding day.

Tire: Many riders use around 0.65–0.85 bar. Extreme enduro can be lower.

Release some pressure before tightening spokes. The rim tape intentionally has weaker adhesive so the spoke nipples do not stick to the tape when adjusted.

Yes. Use tire levers close together and make sure you get to the other side of the T-Lock so everything comes off as one package. If the tube is pinched, we recommend replacing it.

Place the needle directly above the valve. Push it in with control. Remove the needle when the hole points downward, rotate the wheel and check that it is sealed.

• 3 thin tire levers
• Tire paste or sealant as lubricant
• Bead Buddy
• Pump capable of 7.5 bar / 110 PSI + tire pressure gauge
• Needle valve from the start kit

Pressure loss before riding: The tube may have been pinched during mounting. Place the tube centered inside the blue cover so it does not get in the way of the tire levers.

Pressure loss after riding: Check the tube pressure: 7.5 bar. Below 6.5 bar, the risk increases that the tire can rotate on the rim and stress the valve.

Measuring: You often lose some pressure when connecting a pump or gauge. Fill to 7.5 bar and disconnect. A pump with quick coupling is recommended.

Simple cause: The O-ring in the valve core may be damaged. Release the air and replace the valve core.

If you pump but no pressure builds, there may be a larger tire damage that was missed. Rotate the wheel a few turns so the sealant spreads, then pump again.

Tip: Start around 0.75–0.8 bar and work downward. Very low pressures can be too much for some tires.

This is often because sealant from a previous tire has entered under the T-Lock and is pressed out through the spoke nipples when pressurized again. Just wipe it off.