The Busch & Müller Toplight Flat S is widely regarded as the best quality rack-mounted rear light available. Designed to sit flush on your rear rack, this permanent battery LED light delivers a bright, consistent beam that keeps you visible day and night — no dynamo required. Its slim, low-profile design integrates cleanly with any touring, commuting, or cargo setup.

  • Permanent battery-powered LED — always on, no dynamo needed
  • Flat, rack-mount design sits flush and low
  • Best-in-class build quality from Germany's leading cycling light brand
  • Ideal for commuters, tourers, and everyday riders
  • Reliable rear visibility in all conditions
SKU BPW-0775
Model # 0775
Brand Busch & Müller