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Busch & Muller 4D Toplight Permanent Battery LED Light - 50 / 80 mm Vario Fitting

Customer Reviews (4)
3.8 / 5| Write your review
£19.99
was
£19.99 Please note this product has selling restrictions to your country. was
Manufacturer : 
SJS Cycles part number : 
Manufacturer part number : 
Details
- LED indicator warns of low battery
- Utilises two AA batteries - alkaline recommended
- Very bright light out put with excellent run time capacity
- Two position switch
- Vario fitting for 50 and 80mm fitments
Product Reviews (4)
Questions & Answers (3) Q & A
Specification
Downloads
Download File  
Product Reviews (4)
Overall Product Rating 3.8 / 5
Lower quality than I was expecting
By Kenny
24 Mar 2020
2 / 5
It's not very bright and because it doesn't flash it's not going to get you seen.

Worst of all is that it buzzes like crazy. I needed to use tape on the outside but something inside still buzzes.

Nice style , good looking
By Paul W
11 Dec 2019
5 / 5
I recommend this product
ConsNot waterproof
ProsLooks great, bright and stylish
Great light, looks v v good on my rack. It is a little tricky when u undo the screw holing lens in, careful not to break the two locating tangs on bottom of lens. Apart from that love it, good value.
Good But Better Exists
By Duncan
07 Sep 2016
3 / 5
ConsLack of sealing gasket between the two halves
ProsBright
Bright with decent reflector and made by a premium brand. However it doesn't compete with the RSP light for build quality, functionality and price
Awesome Light
By California Cyclist
30 May 2012
5 / 5
I recommend this product
ConsDollars to Pound conversion stinks.
ProsVery bright lights. Very bright reflector. Very wide viewable angle.
Almost all of the bicycles in the U.S. are striped down versions of their European breatheren. Proper lighting and reflective material is very hard if not impossible to come by. The B&M 4D Toplight is a superior product.

First, the lense is very large. So even if you forget to switch it on, it will still help protect you by creating a very bright reflective spot.

Second, with the LED lights on, it is nearly impossible not to see. The light can be seen from well beyond an arc of 180 degrees. So it is a very effective side markers.

This is the second bike that I have installed this light on. I was so pleased with the first light, I had no hesitation with purchasing a second one. There is a handy little LED that turns on when the energy level in the batteries is low.
Questions & Answers (3)
Will this light fit a Brompton rear light bracket?
By
07 Dec 2019
Yes, this should fit no problem.

Thanks - 09/12/19
Does this light have a flashing mode?
By
25 Oct 2017
Hello,

This light does not have a flashing mode I'm afraid.

Thanks.
How Waterproof It This Light?
By
03 Jul 2016
How waterproof it this light? Can we ride through the rain?
Hi,

This light is water resistant, it is designed so you can ride through light to medium rain without any issues. Heavy rain downpours can sometimes in extreme cases cause some water ingress into the light.

Thanks.