Nov design silver front knob-rim dynamo light set for L-Type and R-type Brompton folding bike. It’s easy to install with the specialized mount for Brompton. Compact and light weight. No need to change your wheel. It has On/Off switch. More than 300lumen at More than 25km/h. Minimum ride resistance : 4km/h. Weigh: 147g (+/-2g)
UV light resistant O-ring is to be replaced after 3,000~4,000km riding.