SON Rear Light - Mudguard Mount - Polished / Red

£79.99 Please note this product has selling restrictions to your country. was
Manufacturer : 
SJS Cycles part number : 
Manufacturer part number : 
Available in narrow or wide profile.

SON Rear Light is of minimal dimensions. So it fits where common rear lights with integrated reflectors are too large. It's housing is made of anodized aluminium. Lens and electronics are encapsulated. Two versions are available for narrow profiles (35-45mm wide) and wide profiles (50-60mm wide).

- Minimum sized aluminium housing, resin cast and fully watertight
- Rack mount, seatpost mount and fender mount available
- Many colour combinations available
- Robust coaxial cable 1.9m
- Made in Germany
- 5 Years warranty
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Questions & Answers (8)
SKS Chromoplastic Sizing
23 Mar 2023
Is the narrow or wide fitting best for 45mm SKS Chromoplastics. I know that question is partially answered already (about 45mm) but the older (2021) chromoplastics aren't spherical, the middle section flattens out. Eyeballing a narrow version of the SON light, it looks like too tight a curve for the Chromoplastics.
The Narrow model is recommended for guards of 35 to 45mm wide SK 27/03/23
Hi, is it possible for you to get the DC version please?
28 Mar 2022
Please email [email protected] so we can best assist with this.
Can I use this with a Busch and muller front light ?
01 Nov 2019
Hi there,

Yes you should be able to do this without an issue.

How does this attach to the mudguard?
24 Aug 2019
Does it need one or two screw-holes making into the 'guard, and can it cope with tighter curves for small wheels as well as standard wheel sizes?
Hi there,

This needs one screw hole. It should cope on tight curves however as we have never done this we cannot say for certain I'm afraid.

Is this rear light compatible with a supernova E3 Pro 2 front light?
21 Dec 2018
Hi there,

Unfortunately as we have never done this we cannot say for certain im afraid.

What are the actual dimensions and shape of the curve?
02 Oct 2017
I'd really like to know the actual width of these lights, wide and narrow, and also what the shapes of the curve underside, that interfaces with the mudguard, is like. I want to fit it to a mudguard that has quite a steep curved section (honjo narrow). Would it be possible to ask you to take a few measurements, and maybe a photo of the underside of the light showing shape of the curve? Many thanks for any help given, Skülly

The width of the light is exactly the same on the narrow and the wide. This measurement is 40mm. The difference between the two is the profile of the beam it produces. The angle on the bottom for both fits between 25deg and 23deg.

Does This Taillight Have A Stand Light Function?
15 Jun 2017

These lights have a standlight capacitor built in.

Which Profile, Narrow Or Wide Would Be Appropriate For Fitting To A 45Mm Wide Mudguard?
19 Mar 2017

For 45mm guards the narrow profile option would be recommended.