1 in stock
The maximum brightness of the Knob-Rim Dynamo & Knob Light is above 300 lumens at 25 Km / h. Minimum required speed: 4Km / h
The knob-rim dynamo can be installed without changing the wheel.
The knob-rim dynamo is small and lightweight.
The knob-rim dynamo has no resistance when not in use. (On / off function)
Additional improvement (Brass lock button added )
Knob – Rim Dynamo is made exclusively for Brompton
Resistance: Normal / Minimum required speed: 4Km / h
Knob – Rim Dynamo Weight: Approx. 90g (including mounting unit and bolt)
Knob – Rim Dynamo Weight: Approx. 150g
O-ring (rubber ring): UV resistance
Ring replacement cycle 3000Km
NOV DESIGN, tensioner$25.00