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Busch & Muller Lumotec IQ-X Headlight for Hub Dynamos - Black

£113.49 Please note this product has selling restrictions to your country. was
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SJS Cycles part number : 
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Product Reviews (0)
Questions & Answers (5) Q & A
New for 2016 the IQ-X is Busch & Muller's first dynamo light with an anodised aluminium housing. The 100 Lux light has an extremely wide light coverage with exceptional homogenous quality and depth which includes light at close range. The IQ-X incorporates the daytime running light option and additional LEDs that shine laterally. The rear On/Off button shines blue. It also has a light/dark sensor and standlight function. Busch & Muller have designed a special multi jointed mounting bracket with integrated cable conduit for fork mounting. It has a screw on front reflector.

For use with hub dynamos only.

- Standlight
- Daytime running light option
- Additional LEDs shine laterally
- Automatic sensor
- Aluminium casing
- Available in Black or Silver
- Special multi jointed mounting bracket with integrated cable conduit for fork mounting
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Questions & Answers (5)
Why Can'T This Be Used With A Bottle Dynamo (E.G. An Old Dynosys Lightspin)?
03 Jun 2017

In theory it should actually be okay as both bottle dynamos and hub dynamos give the same 6V3W output. However it is likely that as this light draws a lot of power that Busch and Muller believe that full brightness is much more easily achieved with a hub dynamo so only recommend it for use with one.

B&M Iq-X
01 Jun 2017
Do you sell a handle bar fixing bracket for the IQ-X.
Hi, you need the B&M universal handle bar mount our part # 42377 Thanks
Front Light Fitting
12 May 2016
Ive already got a Busch and M cyo plus front light and a son rear light running from a hub dynamo
Just wondering about upgrading to this front light
as far as connecting my son rear light this at the moment plugs directly into two connectors.
Would this connection be thesame on this light ? so a fairly straightforward straight swap over ?
also does it have an auto setting so it comes on in darkness and does it have daylight running LEDS ?

The connection to the rear light is the same, the rear light terminals are hidden in the extension bracket on this light though. It does have the senso feature that comes on automatically in the dark as well as a day light running feature.

Brompton Fitting
03 May 2016
Will the lumotec IQX fit a brompton? I already have the son dynamo set up but wanted to replace the front light i already have!


The B&M IQ-X can easily be fitted to a Brompton, you'll need to re-use the bracket from the old light though.

How Do I Connect It To A Dynamo And Does It Also Link To Rear Lamp?
08 Feb 2016
None of the pictures show any details of the electrical connections to this lamp? Does it have bare wires or plugs/sockets, if so which sort? How long are the wires?.

This light connects to the dynamo with its wire which is 70mm long. The cable has bare wire ends to allow you to fit the correct fittings for whatever hub it is you have. You can connect a rear light to this front light as there is a rear light cable supplied with the light.