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Hope R4+ LED Rechargeable Front Light

Now £172.99
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Product Description

The Hope R4+ LED bike light is small enough to use as a head torch, yet gives out a whopping 2,000 (1,500 measured) lumen beam for use on the most demanding rides.

With 4 of the latest Cree LED’s pumping out 1,500 measured lumens, this bike light is ideal for dark trails and night time rides. You also get 6 brightness levels too choose from, optimising the front bike light for your ride conditions.

Hope’s R4 gives 2.25 hours runtime when using the highest brightness setting. There is a backlit LED power button so you can see the mode you’re using, and power gauge to see how much battery you have left.

Key Features:

  • Hope R4+ uses 4 of the latest cree LED's to produce 2000 lumens (1500 measured)
  • Two power sequences, each with three light levels allows users to maximise power or burntime
  • 5 different light kits to choose from to suit your needs
  • Illuminated power switch so you can see which power setting you are using
  • Includes handlebar mount, helmet mount and head harness
  • Hope R4+ LED Tech Specs:
  • Power output is 2000 lumens (measured 1500 lumens)
  • 6 different power levels
  • Includes quick bayonet fitting handlebar mount, helmet mount and head harness and 1m extension cable
  • Backlit LED power button lets you know which power mode your using
  • ES Li-Ion battery pack with built in power gauge
  • 2.25 hours run time on full power (using the 4 cell battery)

Hope R4+ LED Tech Specs:

  • Power output is 2000 lumens (measured 1500 lumens)
  • 6 different power levels
  • Includes quick bayonet fitting handlebar mount, helmet mount and head harness and 1m extension cable
  • Backlit LED power button lets you know which power mode your using
  • ES Li-Ion battery pack with built in power gauge
  • 2.25 hours run time on full power (using the 4 cell battery)
  • Light Source: 4 x Cree XM-L2 LEDs
  • Light Output: 1500 measured lumens, 2000 generated lumens
  • Beam: 4 x spot (+/- 10°) FWHM: 21°
  • Mounting: QR bayonet style handlebar mount, helmet mount or head harness
  • Battery: Li-Ion ES battery with fuel gauge
    • 2 cell: Nominal capacity 2600mAh Minimum capacity 2550mAh
    • 4 cell: Nominal capacity 5200mAh Minimum capacity 5100mAh
  • Charge Time: 2 cell: 3.0 hrs 4 cell: 6.0 hrs
  • Weight: 426g (Lamp unit and 4 cell battery)
  • Power Levels: 6 (two sequences of 3), including flash
  • Burn Time: 2 hr 15mins - 30 hrs

Hope R4 Bike Light Manual


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    Front Bike Lights Guide

     

    Front Bike Lights Guide

    If you ride lit streets and roads after dark you will need lights so you can be seen by other road users. If you ride roads and paths with no street lighting then a front light will be needed so you can see, not just be seen. The brightness of a light is measured in Lumen.

    Mountain bikers who wish to ride trails in the dark will need two super-powerful front lights. Front lights almost always have a more powerful output than rear lights.

    Lumen is the measure of the brightness of a light, though it is worth noting that not all brands measure in the same way. The lens has a massive effect on what we see lit ahead, some lights will have a widespread while others will be more of a spot.

    We have a lights comparison tool and rear lights guide to help you choose the right bike light for your needs.


    Commuter/Road Lights

    What to look for

    If you commute on lit-up city streets, you will need lights to be seen by, rather than to see by. A front light with around 100 lumens should be enough for city commuting, over 400 Lumen will be best if you ride fast or you live in a darker area. Add lumen to your front light requirements up to around 800 for a totally dark cycle path.

    The more lights you have, the more visible you will be to traffic so ideally, you should have more than one light with one on flash mode so you are seen clearly at junctions and crossings by other road users. Flashing lights are much easier to see by others especially when it is raining.

    Road cyclist with a bright front light

    Off-road Lights

    Ultimate illumination

    If you're a mountain biker and want to venture onto the trails after dark, you won't have any street lighting to guide you. That's when super-powerful front lamps with rechargeable batteries come into their own. Lighter units have the battery built into the light body, while the longest lasting and most powerful lights have a separate battery unit attached to your bike, in a bottle cage mount, for instance.

    One light on the bars and one attached to the helmet work best. lights in this category tend to have thousands of Lumens. At this High-end the battery technology has vastly improved usage and charging time over cheaper lights. The mounts are designed to cope with the rigours of mountain biking, with lenses that optimise the magnification and spread for trail riding.

    Mountain biker using lights mounted to both the handlebars and their helmet

    Batteries and charging

    There are two main power sources for your lights: ordinary batteries such as AA which need replacing when they run out, or those with a rechargeable battery built in. Rechargeable lights used to be far more expensive, but there are now many cost-effective and compact units available which can recharge from your computer with a USB cable. 

    This makes them a brilliant option for commuters, who can charge them at their office desk during the day. There are other ways to charge your lights. Dynamo hubs store charge from your rotating wheel. They do require a new wheel to be built but need no power source other than your own legs. Modern dynamo hubs have very minimal drag and are the perfect choice for long distance touring a bikepacking. There are even a few solar power lights for totally carbon neutral cycling!

    A Knog light with an internal rechargeable battery that charges via USB

    Technology

    The majority of modern front lights use Lithium-ion batteries that give long burn times for relatively short charge time.
    Most lights have different modes of power including a flash or strobe mode. Higher power modes will use more battery.

    The lens has a large effect on the light, though there are variations most will give a spot with a wider but less bright halo around the centre.
    Most modern lights especially those designed for off-road use will have a water-resistant rating with an IP number. In brief the larger the number the better protected against water and dust the light will be.

    Lights commonly use either clamps or straps/bands to attach. For off-road lighting clamps are common helping the light stay in place over rough terrain, often featuring a quick release system.

    Mountain biker using advanced Exposure lights on both helmets and handle bars

    Finance

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    Spend £99 or more at Tredz and you can spread the cost. Pay monthly over 6-48 months, interest free (dependent on repayment terms and amount).

    1Fill your basket with everything you want from Tredz and go to the checkout.

    2During checkout, select the finance option you want as your method of payment.

    3You will be sent to our finance provider's secure server to complete your application.

    4Finance providers PayPal & V12 will use the information provided to make a decision and complete checkout if you are approved.

    Read more about buying on finance

    Buy now, pay 12 months later.
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    Delivery & Guarantee

    Christmas Delivery

    We will try our very best to get your products delivered to you before Christmas, but due to Santa's overspill into our delivery services, we would like to make you aware that while we are making every effort to deliver your order to you in time for Christmas, there may be a potential risk of delay.

    The last date to order a bike that is available for Christmas delivery is 5pm on Tuesday 18th December. For all other items the last date to order items that are available for Christmas delivery is 12pm on Wednesday 19th December.

    You can easily spot which items are guaranteed for Christmas delivery with the icon. Choose your size and colour to see if the item qualifies for Christmas delivery.

    UK Delivery Information

    We are committed to offering fast and free delivery, whether you're ordering bikes, accessories or clothing. Our standard delivery service is FREE to mainland UK, regardless of the size and on all orders over £20.

    Please note that bulky products and bikes shipped to outlying UK regions are excluded from free shipping.

    Please note that Pre-Order dates can sometimes change due to updated stock information.

    Click here for more UK and international delivery information.

    Returns & Warranty

    It's easy to return a product with our 365 day, hassle free returns. 

    We will give you a full refund or exchange on any item that is returned to us unused/unfitted, in a resaleable condition and in its original packaging (where possible).

    Please note: For hygiene reasons, we cannot accept returns of facemasks, undershorts or underwear if the item has been removed/unsealed from its original packaging.

    If your item develops a fault or arrives damaged, please contact us first so we can resolve the issue for you as quickly as possible.

    For more information please visit our Returns & Warranty page.

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