Bicycle lighting | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-06-04

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Bicycle_lighting


00:00:40 1 History
00:01:59 2 Lighting system
00:02:07 2.1 Electrical system
00:02:34 2.1.1 Voltages
00:03:34 2.2 Light sources
00:03:53 2.3 Legal requirements
00:07:16 2.4 Safety
00:08:09 3 Front lighting
00:08:18 3.1 LED lamps
00:09:28 3.2 Low-cost battery lights
00:09:44 3.3 Flashlights
00:10:20 3.4 Halogen lights
00:11:16 3.5 HID lights
00:12:27 4 Rear lighting
00:12:36 4.1 Filament lamps
00:13:08 4.2 LEDs
00:14:27 4.3 Xenon strobes
00:15:10 5 Power supplies
00:15:19 5.1 Batteries
00:16:57 5.2 Dynamo systems
00:17:16 5.2.1 Types
00:18:07 5.2.2 Output and optics
00:19:09 5.2.3 Advantages of dynamo lighting
00:19:33 5.2.4 Disadvantages
00:20:38 5.3 Magnetic lights
00:21:14 6 Supplementary lighting and visibility
00:21:24 6.1 Headlamps
00:22:02 6.2 Reflective and high-visibility materials
00:22:44 6.2.1 On the bike
00:24:06 6.2.2 Clothing
00:24:55 6.3 Wheel-mounted lights
00:25:35 7 Measures of light output
00:26:17 7.1 Electric power consumption in watts
00:26:37 7.2 Luminous intensity in a given direction in candelas
00:27:12 7.3 Total luminous flux in lumens
00:27:23 7.4 Illuminance at a given distance in lux
00:28:15 8 References
00:28:25 9 External links
00:28:55 Illuminance at a given distance in lux



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SUMMARY
=======
Bicycle lighting is illumination attached to bicycles whose purpose above all is, along with reflectors, to improve the visibility of the bicycle and its rider to other road users under circumstances of poor ambient illumination. A secondary purpose is to illuminate reflective materials such as cat's eyes and traffic signs. A third purpose may be to illuminate the roadway so that the rider can see the way ahead. Serving the latter purposes require much more luminous flux and thus more power.
Many jurisdictions require one or more bicycle lights to be fitted to bicycles ridden at night — generally a white light in the front and a red light at the back.