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Find quick answers to common questions
Tired of plain dull wheels that blend into dark roadways? Our RGB tire valve stem lights automatically light up when your vehicle reaches a certain moving speed, creating stunning glowing ring light effects around every wheel while you ride after dark. This simple upgrade instantly transforms motorcycles, electric scooters, e-bikes and regular bicycles into head-turning rides, boosting road visibility and adding bold personalized style to all your nighttime trips.

Built-in high-sensitivity motion sensing chip detects wheel rotation to trigger illumination automatically. No manual switching required: lights activate when rolling at riding speed and shut off once the vehicle stops to conserve battery power. The high color rendering LED core delivers bright, vivid full-spectrum light with smooth gradient color shifts for a dazzling circular light trail as your wheels spin.

Choose from multiple striking light tones to match your vehicle’s aesthetic:

Features dual universal threaded interfaces, perfectly fitting both straight and curved tire valve stems found on motorcycles, scooters, mountain bikes, city e-bikes and electric mopeds. Standard valve thread size enables direct screw-on installation without extra adapters or complicated modification work.




Find quick answers to common questions
Yes, all our tools are engineered for heavy-duty performance and long-term reliability.
Yes, our tools are designed with safety features and easy handling in mind.
Yes, they are tested to perform reliably in demanding environments.
Regular cleaning and proper storage are usually enough to keep your tools in top condition.
Yes, we provide compatible parts and add-ons to extend the life of your tools.
Every tool comes with a detailed user manual, and digital guides are available online.
Every KRANK tool includes a 1-year warranty, with extended options available on select products.
You can register online using your product serial number for faster support.
It includes defects in materials and workmanship under normal use conditions.
Yes, extended warranty plans are available for select tools at checkout.
Orders ship within 24 hours, and delivery typically takes 3–5 business days.
Yes, KRANK provides special pricing and packages for business or team orders.
You can reach our support team by email or phone — we’re here to assist you.
Feel free to reach out to us!
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