Product: Front and Rear Bike Light Set for Merida Big Nine 9000 (2019) Key benefits Ensures safe riding in low light and wet conditions by providing reliable front and rear illumination specifically for the Merida Big Nine 9000 (2019). Eliminates the hassle of disposable batteries with a USB rechargeable system and fastcharging technology, so lights are ready for daily commutes and long rides. Durable construction and IPX5 water resistance keep the lights operating through rain and splashes, reducing failure risk on the trail or during stormy commutes. Compatibility Specifically designed for Merida Big Nine 9000 2019 models; fits the bike's front and rear mounting points. Durability and build quality aluminum alloy casing for impact resistance and improved heat dissipation. IPX5 waterproof rating protects internal electronics from rain and road spray so the lights continue to function in adverse weather. Power and charging USB rechargeable battery with fastcharging support removes the need to disposable batteries. Reliable power delivery for consistent illumination during rides; suitable for everyday cyclists and outdoor adventurers. Lighting modes and operation Multiple selectable modes to match riding conditions: beam, medium beam, low beam, flash, slow flash, and SOS. Simple button control for quick mode switching while stationary; can be used as an emergency flashlight when needed. Why this set stands out Purposebuilt compatibility with Merida Big Nine 9000 (2019) combined with durable aluminum construction and IPX5 protection. Rechargeable and fast charging means less downtime and lower running cost than disposable batteries. Versatile lighting modes for visibility, conservation of battery life, and emergency signaling. Practical use scenarios Wetweather commuting: IPX5 protection and dependable charging keep you visible and riding safely during rainy commutes. Trail or night rides: Multiple brightness modes let you adapt illumination to technical singletrack or lowspeed approaches. Roadside emergency: Use the SOS or flashlight function to signal for help or inspect a after dark. What's included and fit notes Front and rear light set designed to mount on Merida Big Nine 9000 2019. Simple button controls and USB charging port provide practical daily use. No additional batteries required; rechargeable via USB. This light set provides a durable, rechargeable lighting solution tailored to Merida Big Nine 9000 (2019) riders who need reliable visibility and weather resistance without battery maintenance.