- Updated: November 26, 2025
- 5 min read
10‑Second E‑Bike Conversion Kit Turns Any Bicycle Into a 90 km Range Ride
Subscribe to the TechNode Briefing Newsletter Every Wednesday and Friday, TechNode’s Briefing newsletter delivers a roundup of the most important news in China tech, straight to your inbox. Sign up Subscribe to TechNode Briefing Newsletter Every Wednesday and Friday, TechNode’s Briefing newsletter delivers a roundup of the most important news in China tech, straight to your inbox. Sign in with Google Or Subscribe Sign in to an existing account By signing up, you agree to our privacy policy.Thank you for registering! An account was already registered with this email.Please check your inbox for an authentication link. Support Us Your support helps TechNode continue to provide credible, on-the-ground journalism and industry insights about the Chinese tech industry. One-time Monthly Annually One-time $60 $120 $365 Other Donation amount $ Monthly $10 $20 $30 Other Donation amount per month $ Annually $60 $120 $365 Other Donation amount per year $ Your contribution is appreciated.Donate Now Close Donate Sign In Search for: Search NEWS FEATURES TOPICS Open dropdown menu AI Auto and EV E-commerce Content Semiconductor Gadget review BEYOND EXPO PARTNERS Open dropdown menu BEYOND EXPO XIN Summit 2023 INCLUSION-Conference on the Bund Close Skip to content Every Wednesday and Friday, TechNode’s Briefing newsletter delivers a roundup of the most important news in China tech, straight to your inbox.Sign up During a recent offline tech event in China, one of our colleagues had the chance to try a small device that promises something unusually practical: turning a regular bicycle into an electric-assist bike in under ten seconds. The product is called Kamingo, built by a team of former Huawei and BYD engineers, and it aims to offer a lightweight, reversible alternative to buying a full e-bike. A tiny kit with big ambitions Kamingo weighs just 2.3 kilograms and consists of three pieces: a friction-drive motor that presses onto the rear tire, a bottle-shaped battery pack that fits into a normal bottle cage, and a handlebar controller. First-time installation takes about three minutes, but afterward the device can be attached or removed in less than ten seconds, without tools.Once installed, Kamingo offers three modes: Standby, which lets the bike ride normally with the motor lifted off the tire Assist, which provides pedal-based power support Cruise, which drives the bike electrically without pedaling The battery, made with 21700 EV-grade cells, supports up to 90 km (55 miles) of range in assist mode and doubles as a USB-C power bank. During our brief test ride, the motor remained surprisingly quiet — rated at ≤ 56 dB, quieter than typical conversation.The system uses Pressure Adaptive Technology to adjust the motor’s contact force based on load and surface conditions, reducing slipping and improving efficiency. Both the motor and battery carry IP66 dust and water protection, and safety features include tilt-cutoff (power stops if the bike tips) and foreign-object detection. The controller itself is also quick-release, making it easier to lock the bike when parking. Handlebar controller showing speed, battery level, and ride stats.A clever idea, with natural limitations Like all friction-drive systems, Kamingo works best with smoother tires. Bikes with aggressive mountain-bike treads or certain fender setups may need adjustments for ideal performance. And while the peak power is rated at 750 W, continuous torque and long-hill performance will still depend heavily on rider tests and real-world conditions.Still, for riders who don’t want to buy and maintain a full e-bike, the idea of a reversible, on-demand electric assist is compelling. Price and who it’s for Kamingo launched on Kickstarter with early-bird pricing starting at US$349 (about RMB 2,480) — far below the price of most complete e-bikes.It’s aimed at riders who: commute but don’t want a heavy e-bike ride casually and want occasional assistance prefer keeping their existing bicycle but want a modular upgrade path A companion mobile app allows users to lock the motor, view ride data, access maintenance guides, and join an online community of riders. The bottom line Kamingo isn’t trying to replace high-end e-bikes or compete on sheer power.Instead, it delivers something simpler and more flexible: an instant electric upgrade that preserves the feel of a normal bicycle. If long-term performance proves reliable and compatibility issues remain manageable, this ten-second add-on could carve out a new category in e-mobility — one where electrifying a bike is as quick as clipping on an accessory.Support TechNode With a small team, TechNode provides timely news and thoughtfully researched articles for worldwide readers interested in learning more about the Chinese tech industry. One-time Monthly Annually One-time $60 $120 $365 Other Donation amount $ Monthly $10 $20 $30 Other Donation amount per month $ Annually $60 $120 $365 Other Donation amount per year $ Your contribution is appreciated.Donate Now Related Latest stories This 10-second add-on turns any bicycle into a 90 km-range e-bike Nov 26, 2025 Alibaba CEO says AI bubble unlikely in next three years Nov 26, 2025 BMW considers range-extender versions as Chinese rivals reshape demand Nov 26, 2025 Li Auto to launch first AI smart glasses, expanding multi-device ecosystem Nov 26, 2025 Huawei launches first companion chat robot Smart Hanhan, priced at about $55 Nov 26, 2025 Over 5,000 Global Attendees Celebrate the Successful Debut of the XIN Summit, Showcasing the Next Generation of Innovation From the Greater Bay Area to the World Nov 26, 2025 Popular articles Singapore’s national AI program drops Meta model and switches to Alibaba’s Qwen China unveils humanoid robot standards committee with members from Unitree, ZhiYuan, Xiaomi, Huawei, ZTE and XPeng DJI Avata 360 drone clears FCC certification ahead of launch Ant Group launches Lingguang, first AI assistant to generate full-code multimodal content TSMC to expand 2nm capacity to 10 fabs, adding three in China’s Taiwan NetEase’s open-world wuxia game Where Winds Meet hits 250,000 concurrent players on Steam Link Copy link