SpeedFun Furious eBike Tuning Kit for Bosch Rim Magnet Performance Line CX - Gen5

SpeedFun Furious is a tuning kit for eBikes powered by a Bosch Performance Line CX (Gen5) motor + Rim Magnet Sensor. Once fitted, it will remove the factory 15mph or 20mph speed limit. Derestricting the bike fully. Speedfun works with eBikes fitted with or without a display. It's fully tested on the latest 17.16 Bosch drive unit update and comes with a 1-year warranty. Installation Info (Read Before You Buy) This tuning kit requires a moderate to advanced installation. Download Instructions here (PDF). It comes with three key components: • Tuning module • Replacement speed sensor • Electromagnet unit For some bikes, the motor may need to be lowered to install the electromagnet. The factory speed sensor is removed and replaced with a wired sensor, which is mounted to the chainstay. If you’re not comfortable working on your eBike’s motor, we highly recommend having it installed by a professional bike technician. Important: This kit is not compatible with 2025 Mondraker Crafty Carbons & Crestline S180. After purchase, we’ll reach out by email to confirm compatibility with your ebike before dispatching your order. ⚠️ For off-road use only. Not legal on public roads. Read full legal disclaimer.