--- product_id: 182726484 title: "12V-72V E-Bike Universal Thumb Throttle LED Digital Display Voltage" brand: "koobook" price: "€ 28.70" currency: EUR in_stock: true reviews_count: 9 category: "Koobook" url: https://www.desertcart.pt/products/182726484-12v-72v-e-bike-universal-thumb-throttle-led-digital-display store_origin: PT region: Portugal --- # Real-time digital voltage display 12V-72V universal voltage range 22mm handlebar fit, easy install 12V-72V E-Bike Universal Thumb Throttle LED Digital Display Voltage **Brand:** koobook **Price:** € 28.70 **Availability:** ✅ In Stock ## Summary > ⚡ Power up your ride with precision and style! ## Quick Answers - **What is this?** 12V-72V E-Bike Universal Thumb Throttle LED Digital Display Voltage by koobook - **How much does it cost?** € 28.70 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/182726484-12v-72v-e-bike-universal-thumb-throttle-led-digital-display) ## Best For - koobook enthusiasts ## Why This Product - Trusted koobook brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Easy Installation:** Designed to fit standard 22mm handlebars with clear wiring instructions for hassle-free setup. - • **Integrated Power Switch:** Effortlessly control your ride with a built-in power switch for quick on/off functionality. - • **Durable & Precise Control:** Engineered for reliability and accuracy, ensuring smooth throttle response on every ride. - • **Real-Time Battery Monitoring:** Stay ahead with an intuitive LED display showing precise battery voltage and mileage at a glance. - • **Universal Voltage Compatibility:** Works seamlessly with 12V to 72V e-bikes and scooters for ultimate versatility. ## Overview The KOOBOOK Universal Thumb Throttle features a bright LED voltage display compatible with 12V-72V e-bikes and scooters, providing real-time battery monitoring and integrated power control. Its ergonomic 22mm grip fits most handlebars, delivering durable, precise throttle response for enhanced riding performance. ## Description Buy KOOBOOK 1Pcs 12V-72V E-Bike Universal Thumb Throttle LED Display Voltage Black Portable Digital Grips with Power Switch for Scooter Electric Bike: Throttles - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: Works great after repeated use - We have these installed on 2 upgraded scooters and they work great. Durable and precise with their power management. The wiring was not plug and play for our scooters, but I was not expecting it to be when I bought them as I was upgrading the battery, motor and controller on our Razor e300 scooters to be the fastest scooters in the neighborhood. Success and smiles! Review: this is amazing - Pretty cool, got to say the cord is long enough for multiple different scenarios, functions as described ## Features - Real-time digital voltage display for easy and intuitive monitoring of battery level and mileage on your electric bike. Our ebike thumb throttle compatible with 12V to 72V e-bikes, this ebike voltage display replaces traditional analog displays, providing accurate voltage readings - Blue color LCD display and power switch integrated into the electric thumb throttle. Suitable for all types of batteries, including lead-acid, lithium, water, and dry batteries - Accurately determine the remaining battery level and easily plan your travel distance with the real-time voltage display on the ebike throttle. Additionally, you can assess the health of your lithium battery with this feature, ensuring hassle-free after-sales service - Electric throttle control thumb designed to fit handlebars with a diameter of 22mm, ensuring easy installation and compatibility with a wide range of e-bike models - Installation instructions: The green wire is the throttle Hall signal wire, the red wire is the throttle positive 5V, and the black wire is the negative pole. It is crucial to connect the wires correctly according to the controller's function, as the colors of the wires may not match. Incorrect wiring may damage the controller or the thumb throttle ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07YPQLMR4 | | Best Sellers Rank | #663,061 in Automotive ( See Top 100 in Automotive ) #1,531 in Powersports Throttles | | Brand | KOOBOOK | | Brand Name | KOOBOOK | | Color | Yellow,Green,White | | Compatible with Vehicle Type | Scooter | | Customer Reviews | 3.9 out of 5 stars 200 Reviews | | Manufacturer | KOOBOOK | | Manufacturer Part Number | KB637 | | Model Number | KB637 | | Number of Items | 1 | | Number of Packs | 1 | | Size | 22mm | | UPC | 797806000852 | | Unit Count | 1 Count | | Vehicle Service Type | Scooter | ## Product Details - **Brand:** KOOBOOK - **Color:** Yellow,Green,White - **Number of Packs:** 1 - **Size:** 22mm - **Vehicle Service Type:** Scooter ## Images ![12V-72V E-Bike Universal Thumb Throttle LED Digital Display Voltage - Image 1](https://m.media-amazon.com/images/I/519ON+wQGWL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works great after repeated use *by O***N on January 31, 2024* We have these installed on 2 upgraded scooters and they work great. Durable and precise with their power management. The wiring was not plug and play for our scooters, but I was not expecting it to be when I bought them as I was upgrading the battery, motor and controller on our Razor e300 scooters to be the fastest scooters in the neighborhood. Success and smiles! ### ⭐⭐⭐⭐⭐ this is amazing *by M***M on November 15, 2024* Pretty cool, got to say the cord is long enough for multiple different scenarios, functions as described ### ⭐ Absolute trash *by J***N on June 5, 2026* Zero stars, bought to fix my child's gocart before there birthday. Didn't arrive in time for one, and was doa for second. Had a replacement sent, next day got it. Same as the one I had dog, no signal for one, sensor bad throttle wide open on the other. Do not buy, its 0 for 2. Will not buy again. ## Frequently Bought Together - KOOBOOK 1Pcs 12V-72V E-Bike Universal Thumb Throttle LED Display Voltage Black Portable Digital Grips with Power Switch for Scooter Electric Bike - Thumb Throttle Ebike: Electric Scooter Throttle, Ebike Throttle, 7/8inch (22mm) Thumb Throttle Speed Control, 12V-72V Universal Controller for E-Bike Electric Scooters --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/182726484-12v-72v-e-bike-universal-thumb-throttle-led-digital-display](https://www.desertcart.pt/products/182726484-12v-72v-e-bike-universal-thumb-throttle-led-digital-display) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-09-28*