DAYLIGHTER British Pre-Focus
H4s & Bayonet Cap BA15d
Bosch Cap BA20d LEDs
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Add £4.95 carriage up to £25.00 £25.00 - £50.00 add £6.95, £50.00 - £100.00 add £7.95, Over £100.00 add £9.95 Overseas bulb & LED orders add £6.00 to the prices above. Overseas orders for other products you must E mail for Airmail costs. If in doubt E mail me norbsa02@aol.com |
LED BRITISH PRE-FOCUS HEADLAMP BULBS
As fitted to British bikes late 1940s - 1970s
The advert price in the October issue of OBM is wrong. Our BPF LEDS are £32.95
LEDs are fully legal on ALL MOTORCYCLES any year, & cars made before 1986 (announced July 2024)
This is our new British Pre-Focus headlamp LED, these fit straight into your existing BPF headlight with no adapters, resistors or anything else required, Previous BPF LEDs have had the power limited by a very simple heatsink, the Daylighter has a more sophisticated heatsink allowing much more powerful LEDs to be fitted. The power consumption on high beam is around 10W on 6V or 12V so you can leave them running all the time you're riding and at night they will give a better light than a standard headlight bulb. They're great for dynamo systems, used with a LED stop/tail they only use as much power as a Quartz Halogen pilot bulb Dual Polarity, as supplied the BPF Daylighters will run on 6V/12V as well as positive or negative earth systems so there's no chance of buying the wrong one. When lit the dip is the lower set of LEDs (the same side as the cutout), & on main both sides are alight.
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This type of LED headlight bulb is being sold elsewhere. Compared to our current LEDs it has a poor light output and poor focussing particularly on main beam. It is not as effective even as a daytime running light. This was the first type of BPF LED we sold & is now obsolete, I stopped selling them 6 years ago. There is now also another type commonly available that looks similar to ours above, but has a longer heatsink. This is another obsolete type, ours are brighter.
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NEW 'DAYLIGHTER ' Bayonet Cap BA15d LED headlight bulb replacements Our Daylighter LED headlight bulbs produce a much 'brighter, whiter' light and consume a lot less power than standard or Quartz Halogen bulbs. Ideal for the low power Dynamos fitted to Pre-War cars & Motorcycles. They produce MUCH more light than a std. 6V or 12V std bulb, probably about the same as our 12V 40/45W Quartz Halogen versions while only drawing 7W or so, meaning they can be used all day as a daytime riding light without straining the dynamo.
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Bayonet Cap headlight bulbs were fitted to all British cars & Motorcycles from the 1920s until the arrival of the British pre-Focus headlamp in the late 1940s. Some bikes, Sunbeam & Vincent continued with them in the early 1950s. Also fitted to some imported American cars & bikes. These replace twin filament Dip/Main headlight bulbs. Overall length 65MM They suit 6V & 12V systems either Positive or Negative earth Pt.no. LDBA15D £32.95 This is the standard bulb that these replace |
From the
mounting pins to the top of the heatsink is 58MM
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NEW 'DAYLIGHTER ' Bosch Cap BA20d LED headlight bulb replacements Our Daylighter LED headlight bulbs produce a much 'brighter, whiter' light and consume a lot less power than standard or Quartz Halogen bulbs. Ideal for the low power Dynamos fitted to early cars & Motorcycles. They produce MUCH more light than a std. 6V or 12V std bulb, probably about the same as our 12V 40/45W Quartz Halogen versions while only drawing 7W or so, meaning they can be used all day as a daytime riding light without straining the dynamo. |
Bosch Cap bulbs were fitted to BMWs & Italian bikes of the 1960s & early 70s. Also some Japanese bikes, ie Honda 400 4 Pt.no. LDBA20d £32.95 each These replace twin filament Dip/Main headlight bulbs, overall length 71MM. They suit 6V & 12V systems either Positive or Negative earth The standard bulb is shown here. |
NEW 'DAYLIGHTER 2s' H4 5K headlight bulb replacements Our Daylighter LED headlight bulbs produce a much 'brighter, whiter' light and consume a lot less power than standard or Quartz Halogen bulbs. LED headlamp bulbs must be fed from a battery supply, if your headlight doesn't light until the engine is started they are not suitable. |
These are our new 5000 Lumen Daylighter H4 LEDs. The original Daylighters (see below) are very bright at 4000LM, but this new version is even brighter. The beam pattern is excellent , if anything better than before & they draw only 30 Watts. The heatsink is positioned in front of the mounting rather than behind so not taking up so much room. |
These have to be seen to be believed, the light is exceptional & dips correctly so doesn't blind or dazzle oncoming traffic. LEDs are fully legal on ALL MOTORCYCLES any year, & cars made before 1986 (announced July 2024) |
Specification: Top quality Philips ZES LEDs Operating Voltage 9V - 32V DC Light output 5000 LM (a standard H4 is around 1500) IP Rating IP65 Power consumption 30W Colour temperature 6500K Operating life > 30,000 hrs. Operature - 40 - + 50 Deg. C. Pt.no. H4LED5K Price £42.95 Suitable for 12V Negative or positive earth |
They may look bulky, but the light from the LEDs passes unobstructed onto the reflector where it is directed forward as the beam. The back of the bulb is 10MM longer than a std. bulb, but this has proved to be no problem in use. They draw only 30 Watts so even a pre-war dynamo can run one of these & give 21st century lighting On a total loss system (or if your dynamo packs up) you will still get a good light until the battery is almost dead because they will light as normal down to 9 Volts. This bulb will fit into the Lucas flatback shell with the Lucas H4 lens/reflector. Pt.no. H4LED5K Price £42.95 Fully legal on bikes made before 1986, & just an MOT failure on later bikes, simply change it for the MOT. |
3 pin socket to suit Pt.no. HL13125 £3.50 Facing the open end, right is earth, left is main & centre is dip Space saver right angle H4 socket. Pt.no. HL13125R £3.50 |
It is not possible to fit the H4LED5K to Wipac Quadoptic H4s. The 3 moulding bumps shown here & the black shield foul the heatsink. Also cannot be fitted to some Bosch headlights. They will however fit any other type of H4 headlight. The Daylighter H4 4K below are best here If your car/bike has a 'Blown bulb warning light' this will probably be lit when any LEDs are fitted. |
H4 connections: Facing the open end of the socket, right is earth, left is main & centre is dip |
The H4LED5K comes with fitting instructions which also covers other versions not shown here & shows the power consumption as 55W. Ignore that, it is only Chinese optimism - they draw 30W. |
DAYLIGHTER H4 4K |
LED H4 headlight bulb replacements A cheaper H4 LED, very nearly as bright as the 5K version above & with a good beam pattern. |
The light is 'whiter' & brighter than a Std. H4 bulb, but more importantly, the beam pattern is correct. As seen in the LH image, the LEDs are in the same position as the filaments on a std. H4. This ensures a good beam pattern & is often not the case. I have tested many H4 LEDs and most give a poor beam pattern. There are plenty of duds out there. In Lucas & Wipac motorcycle headlights the dip beam is just the same & on main beam it is wider & brighter. If we say that the light output of a normal H4 is 60/55W, then these are about 70/60, but they only draw 25W from your bikes power supply not 60W. Ideal for a dynamo bike converted to 12V. They plug straight into the existing H4 socket and do not have a bulky 'driver' in the lead. The heatsink does not get hot enough to cause any damage. On a total loss system (or if your dynamo packs up) you will still get a good light until the battery is almost dead because they will light properly down to 9 Volts. |
With the socket, the overall length is almost the same as a std. H4 so fitting inside the headlight should be no problem. I also stock a shallower Wipac H4 headlight which gives more room for bikes with a headlamp nacelle & speedo. Pt.no. H4LED4K £39.95 each.
3 pin socket to suit Pt.no. HL13125 £3.50 Socket connections: Looking at the open end: Right is earth, Left is Main & Centre is Dip |
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Specification: Operating Voltage 9V - 32V DC Light output 4000 LM (a standard H4 is around 1500) IP Rating IP65 Colour temperature 6500K Operating life > 30,000 hrs. operating temperature - 40 - + 50 Deg. C. Suitable for 12V Negative or positive earth OK for MOTs from March 2021 on all bikes |
NEW 6V12V H4 LED DAYLIGHTER
6V/12V LED bulb suitable for the the P43t H4 headlamp Not as powerful as the 12V H4s above but also suitable for 6V systems Only draws 10W on 6V or 12V Pt.no.H4LED6V £32.95 |
These
have locking screws that when loosened allow the body to be rotated
so moving the beam up & down at the sides.
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An adapter can be fitted to all H4 type headlamps allowing current P43t H4 LED bulbs (as above) to be fitted to an earlier P45t headlamp. These bulbs were fitted to the 'Concave' Cibie headlights amongst others. £4.95 each Pt.no. BPAD |
Std. P45t
Bulb BPAD Adapter
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Lens/Reflectors + LEDs 1 x Daylighter H4 LED6V +Wipac 7.0" H4 headlight & connector £70.90 Pt.no. H4LEDWIP6V 1 x Daylighter H4 LED4K +Wipac 7.0" H4 headlight & connector £75.90 Pt.no. H4LEDWIP4K 1 x Daylighter H4 LED4K + Lucas 7.0" H4 headlight & connector £83.90 Pt.no. H4LEDLUC4K 1 x Daylighter H4 LED5K + Lucas 7.0" H4 headlight & connector £93.90 Pt.no. H4LEDLUC5K |
H4LEDLUC4K |
The
H4LEDLUC5K will fit the Lucas 'Flat back' headlight shells HL10156L
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Also available with the shallower Wipac Quadoptic H4. This gives more space where there is a headlamp Nacelle & speedo cable in the way, BSA A10 etc. or a mass of wiring inside the headlight shell, Mk111 Commando. 1 x Daylighter H4 LED4K + Wipac 7.0" H4 headlight & adapter Pt.no. H4LEDWIP £75.90 It is not possible to fit the H4LED5K to Wipac Quadoptic H4s. They will however fit other types of H4 headlight.
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All the 7.0" H4 headlights above fit into a rim opening of 169 MM dia. & come with pilot bulbholders where applicable. If the Wipac unit is laid face down & a steel rule is laid across where the bulb locates, the dimension between where the headlight locates into the rim & the rule is 59MM, the dome of the glass is 20MM. |
6 1/2" H4 headlight
This is a 6 1/2" H4 replacement headlight as used on many Jap bikes in the 70s. Also the 6 1/2" Miller fitted to Series C Vincents & Velos allowing the fitting of H4 headlamp bulbs including the LED Daylighter. The glass is seperate, sealed by a rubber gasket & held in place by the 'W' clips, so your old glass can be used (Max. dia. 164MM) if required. Comes with bulbholders/connectors |
Pt.no. HL375537 £34.95
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6 1/2" Headlamp + Daylighter
H4 LED6V + bulbholders Pt.no.
HL375537.6V £67.90
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6 1/2" Headlamp + Daylighter
H4 LED4K + bulbholders Pt.no.
HL375537.4K £74.95
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6 1/2" Headlamp + Daylighter H4 LED5K + bulbholders Pt.no. HL375537.5K £77.90 |
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Ring me on: 01494 868218
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