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I tested the Lupine SL Grano. How does the Grano compare to the SL Mono? ▬ Products in the video ▬▬▬▬▬▬▬▬▬▬▬▬▬ *Advertising: (The links used are affiliate/advertising links. If you make a purchase via the link, I will receive a share of the sales. This has no effect on the price for you. Thank you for your support!) Lupine SL Grano from the manufacturer: https://www.lupine.de/produkte/fahrra... Lupine SL Mono Amazon: https://amzn.to/4fbQeoD * Bike Components: https://trck.bike-components.de/trck/... * Other bright lamps: Busch & Müller Ixon Space: https://amzn.to/3XDUox1 * Knog Blinder 120: https://tidd.ly/3v6sD6T * Lezyne Super StVZO 600+: https://trck.bike-components.de/trck/... * ▬ Support the channel ▬▬▬▬▬▬▬▬▬▬▬▬▬ You are welcome to support the channel financially. This way you can help ensure that this project can continue independently in the long term. https://www.paypal.com/donate/?hosted... Become a channel member and receive exclusive benefits: / @fahrradbeleuchtung-info ▬ More information ▬▬▬▬▬▬▬▬▬▬▬▬ My website about bicycle lighting: https://fahrradbeleuchtung-info.de/ Test report on the Lupine SL Grano with diagrams & illumination photo to look at at your leisure: [follows] Lamp mentioned in the video for calibration: https://tklamp.co/collections/flashli... ▬ Just get going ▬▬▬▬▬▬▬▬▬▬▬▬▬ Also check out my second channel, which is about my bike tours: / @einfach-losfahren ▬ Timestamps ▬▬▬▬▬▬▬▬▬▬▬▬ 0:00 Introduction 0:40 Illumination 2:31 Housing 4:52 Mount 6:50 Brightness sensor 7:30 Eco mode 8:52 Preliminary remarks Lumen measurement 12:46 Lumen values and runtime SL Grano 16:04 Summary & conclusion