Best bike lights for fat bikes in 2026

For a fatbike, heavy-duty locks are not a luxury but a necessity: ART-3 is the absolute minimum, and in practice many owners run two locks at once — for instance an ABUS Granit XPlus 540 U-lock combined with a heavy chain such as the Kryptonite New York Fahgettaboudit. Many insurers additionally require a GPS tracker; the Invoxia Bike Tracker with its own SIM card is popular, and for those who prefer to stay discreet a hidden AirTag mount under the saddle or inside the battery housing works surprisingly well. Good lighting matters more on a fatbike than on a regular bike: the extra weight means longer braking distances and a greater need to be seen. The Busch & Müller IQ-X headlamp with 100 lux delivers plenty of throw, paired with a bright rear light that includes a brake-light function. A phone mount is indispensable for navigation and delivery work, but be sure to choose a Quad Lock with vibration dampener: because of their wide tyres and stiff frames fatbikes transmit noticeably more vibration, which can destroy iPhone camera modules within weeks. A helmet is strongly recommended even on the legal 25 km/h version, and on speed-pedelec fatbikes that reach 45 km/h it is a legal requirement alongside a licence plate and insurance. Finally: invest in a decent tyre pressure gauge, because the right pressure (around 1 to 1.5 bar) is the difference between rolling smoothly and ploughing tiredly.