How often should tire sealant be changed and how should it be changed?

I. How to use tire repair fluid‌

(1). When to replace

The tire sealant can usually be updated when the tire is replaced, but if the tire has a long service life, it is recommended to check the remaining amount and status every 3 months. Regular tire pressure testing is the key to judging the system status. Abnormal fluctuations indicate that leakage or failure needs to be checked.
(2). Inspection method

Tire pressure monitoring: Check tire pressure before each ride. Abnormal drop indicates potential leakage or insufficient tire sealant.

Remaining amount judgment: Shake the wheel regularly and listen closely to the sound of tire sealant flowing. This method may be inaccurate for various reasons.

(3). Preparation

Check the tire leakage location (you can apply soapy water to observe bubbles).

Shake the self-sealing fluid before use (suspended particles need to be mixed evenly)

(4). Filling operation

First filling: After changing the tire, make sure the outer tire is properly inserted into the wheel rim, otherwise the tire sealant may be wasted or the seal may fail.

Regular maintenance can improve safety and riding experience, such as keeping tire pressure stable and replacing expired tire sealant in time.

Connect the catheter to the valve tightly, make sure the valve thread is locked to avoid leakage, invert the bottle or turn on the switch to inject tire repair fluid.

Tilt the valve when filling to prevent liquid from overflowing.

It is recommended to fill 30ml for road bikes to reduce rolling resistance, and 60-120ml for mountain bikes (adjusted according to wheel diameter).

(5). Subsequent processing

Reinstall the valve core and tighten it, and wipe off the remaining liquid.

Use an air pump to restore the tire pressure to the standard value (such as 250 kPa).

Drive at a low speed for 3-5 kilometers, and use centrifugal force to evenly cover the inner wall with tire repair fluid.

II. Key points

Applicable scenarios: Only repair punctures with a diameter of ≤6mm on the tread, and it is ineffective for sidewall damage.

Quantitative control: Excessive filling will significantly increase rolling resistance and affect riding efficiency.

III. Warning of operational errors

Direct filling without shaking: Particle sedimentation causes repair failure.

Valve core not reset: Increased risk of slow air leakage.

Failure to rotate the tire after filling: Uneven distribution of liquid affects sealing.

IV. Maintenance suggestions

Store in a cool place (0-45℃), away from fire. Choose a cold-resistant formula for low-temperature environments (no freezing at -40℃).

Perform professional repairs as soon as possible after repair to avoid long-term residual corrosion of the rim.

Choose a non-corrosive formula to protect the rim; clean the valve area after rain or muddy roads.