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LED blubs

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WD Forte
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PostPosted: 12:39 - 27 Sep 2026    Post subject: LED blubs Reply with quote

Finding the stock H4 and H7 halogenish bulbs a bit on th dim side
we are wondering about swapping for leds for the winter
(Swapping them back for the MOT of course)

Philips/Osram are leading the price range but anyone getting decent results from mor pocket friendly brands?

I see Auxita led bulds on Amazon which score the same as the top two but never heard of them or the others.

That all boast of wonderful results and longevity
but some real world experience would be appreciated
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stinkwheel
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PostPosted: 15:35 - 27 Sep 2026    Post subject: Reply with quote

I've not been disappointed by whatever brand they decide to stock at classiccarleds.co.uk

I have the H4 one in my bullet and the MOT guy commented that it had the crispest beam pattern he's seen for a long time. This was before he found out it was an LED but he'd already passed it by that point..
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panrider_uk
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PostPosted: 18:34 - 27 Sep 2026    Post subject: Reply with quote

Do they physically look at the bulbs to check they're LED?
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WD Forte
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PostPosted: 19:01 - 27 Sep 2026    Post subject: Reply with quote

panrider_uk wrote:
Do they physically look at the bulbs to check they're LED?


No, it's when they check the beam pattern the leds especially early ones
failed miserably.
Bright as hell but splurging photons all over the shop, no crisp cut off
on dipped beam like a conventional bulb setup.

I've just asked that AI bloke on that internet
(seems very nice, didnt take the piss cos i got a scooty now like you barstids)
and ordered two pairs of Auxito H4's and H7's. for our scootys.
Their rating compares well to the top two brands so hope they're worth it.
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A100man
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PostPosted: 20:52 - 27 Sep 2026    Post subject: Reply with quote

WD Forte wrote:

I've just asked that AI bloke on that internet
(seems very nice, didnt take the piss cos i got a scooty now like you barstids)


Tut Tut He's just biding his time, of course he knows you're a big ghey.
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panrider_uk
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PostPosted: 23:23 - 29 Sep 2026    Post subject: Reply with quote

I plumped for a couple of the Halfords Advanced H4s in the end.

Supposedly twice as bright.

We shall see (pardon the pun)
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Kawasaki Jimbo
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PostPosted: 00:15 - 30 Sep 2026    Post subject: Reply with quote

Oddly, greater brightness (or whiteness) doesn’t necessarily mean greater throw (or distance). I was looking to upgrade the reversing lights on my car but the facets of the reflector won’t work as well with LED bulbs. Something to do with them being designed to work with the single-point emitter of a tungsten bulb compared with the often multi-point LEDs. The brighter but shorter performance was apparent in the promotional photos. Not what I was after.
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WD Forte
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PostPosted: 00:18 - 30 Sep 2026    Post subject: Reply with quote

I had look at the Halfords 'advanced' H4's and they're Halogen 60/55W
200% brighter?
that's an easy claim to make and led sellers make similar claims of fantastic output
Most of us don't get a chance to empirically test them, we just want to see where we're gping better
and hope they're better than what we have.
what we usually want is more light (expressed in lumens)
AI tells me
LED bulbs typically produce 75-110 lumens per watt, while halogen bulbs produce about 15-25 lumens per watt. This means LEDs are significantly more efficient, providing more light for less energy consumed.

In theory and assuming the upper figures:
A 60 Watt Halogen bulb would give 60x25 or 1500 lumens
A 60 watt led would give 60x110 or 6600 lumens.
So 4 times the light for the same energy.

The two pairs, 2xH4 2xH7 of Auxito LEDs arrived today and I've Fitted mine in the old scooty
the H4 fitted Ok but the H7 pins were more narrowly spaced than the H7 I took out
so I had to knock up an adapter cable.
They work and they're very white and bright.
On dipped beam there is quite a good cut off, much better than the cheap( sub £10) one I tested a while back
which was all over the place.
Is it MOT worthy? not sure, but it's quite similar to the Halogen bulb pattern which passed an MOT recently.
I want do some tests tomorrow before I close it all up and put a current clamp on it to see how many amps it's burning
which will give me a clue how many lumens it's putting out and how hot it's likely to get.
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WD Forte
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PostPosted: 00:25 - 30 Sep 2026    Post subject: Reply with quote

Kawasaki Jimbo wrote:
Oddly, greater brightness (or whiteness) doesn’t necessarily mean greater throw (or distance). I was looking to upgrade the reversing lights on my car but the facets of the reflector won’t work as well with LED bulbs. Something to do with them being designed to work with the single-point emitter of a tungsten bulb compared with the often multi-point LEDs. The brighter but shorter performance was apparent in the promotional photos. Not what I was after.


I found that when I tried some of the Ba15d 'corn cob' style leds
in the rear light cluster.
They looked bright enough on the bench but were shite in use.

Same in the cab, the led festoon light just felt too cold and intense
at night so went back to a nice warn incandescent festoon lamp
I do have a secondary led work light if I have to do any work in the cab
when it's dark
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