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Specialized flux 850 headlight black one size

Specialized flux 850 headlight black one size

On Sale
Retail Price $44.99
Retail Price $90.00
Shipping calculated at checkout.

Product Features

Splitting the difference between the previous Flux 800 and 900, the Flux 850 gets the game-changing Mode Shift found on the Flux 1250. This means there are three steady modes, all using both the wide and spot beams. Go from Steady Low to Steady High in a single push, without cycling through a flash mode. Press-and-hold for two seconds and you get into the secondary modes: Steady Flash to be seen in busy urban environments, Flash Mode for endless runtime, and two Flashlight modes with 10 and 20 hours of runtime for hanging around the campsite, or when you forget to charge your light and need to conserve the last few percent of battery life to get home.

IPX7 waterproof means this light can survive being submerged 1 meter deep for 30 minutes. No, its not meant for scuba diving. But is can handle anything you can throw at it on two wheels.


  • 1x CREE XP-L High Intensity LED plus 1x CREE XP-G LED.
  • 2600mAh Li-ion internal battery is USB rechargeable via included micro USB cable.
  • Depending on mode, up to an additional three hours of super-low output are available when listed runtimes expire. Trust us, someday you'll need this.
  • Extra bright side lights to give you 180-degree visibility to other cyclists and motorists.
  • Press-and-hold to turn off, long press-and-hold to enter secondary modes.
  • Quick-release bar mount works on 22.2, 25.4, and 31.8mm bars to put the light above, below, or in front the stem to clear cables and computer mounts.
  • Sculpted double beam pattern uses separate optics for wide and spot beams to put light where you need it and maximizes every lumen. The result is a beam pattern that torch-style lights can't touch.
  • Steady High mode: 850 lumens for 1:30 hours
  • Steady Low mode: 250 lumens for 6:00 hours
  • Steady Medium mode: 450 lumens for 3:00 hours
  • Shipping & Returns

    We offer a variety of shipping options based on the delivery location. Once you add items to your cart and enter a shipping address, you’ll see eligible options with pricing and estimated delivery dates. See below for frequently asked questions.

    Depending on the product shipping can take up to two-weeks? Please call if you need an item by a specific date as some of our products like bikes could be at different warehouse locations.


    Do you offer free shipping?
    Most orders over $50 ship free to the continental U.S. See our Free Shipping page for more information.  


    Do you ship internationally?
    Yes! Check out our International Shipping page for details.


    Can I pickup my order from one of Goodwynns stores?
    We offer in-store pickup at all our U.S. Store Locations. See more information on our In-store Pickups page.


    How quickly will my items ship?
    If your order is placed by 1pm (PT) Monday – Friday and you’ve selected an expedited (i.e. paid) shipping method, your items will ship same day if they’re in stock and ready to ship.

    Most other items ship within 1-2 business days. However, some products (e.g. bikes) require additional handling time up to 5 business days.


    How long will it take to receive my items?
    Shipping times vary based on delivery address and the shipping method selected in checkout.

    Once you add items to your cart and enter a shipping address, you can see estimated delivery dates by shipping method. After you’ve purchased, you can see the estimated delivery date on your order confirmation email.

    After your order has shipped, you can track your order via the tracking # provided in your shipping confirmation email and in your Order History.


    Can I use a package forwarder?
    Yes, but please be aware that Goodwynns and our partners cannot be held liable for damage that may occur after the items are delivered to the shipping address provided at the time of purchase.


    Does Goodwynns ship to PO boxes, APO, and FPO addresses?
    We happily ship to PO boxes, APO, and FPO addresses. However, shipping to these addresses can increase delivery time (up to 8 weeks in some cases) and free shipping offers do not apply.  Please note, products with lithium batteries cannot be shipped to APO/FPO addresses. 

    We can also ship to 3rd party boxes. Simply provide the address and box number when placing your order.


    How are larger items like skis, surfboards, and bikes shipped?
    Some products require special processing and shipping arrangements due to their large size. Pricing is set by product type and shipping service required.

    See our Freight and Oversized page for details.


    Do all brands ship outside the U.S.?
    Unfortunately, Goodwynns is unable to ship all products outside of the United States due to contractual restrictions. See all items that ship to Canada and Worldwide.  


    Do you require a signature for delivery?
    Most shipments are delivered without requiring a signature. Please Contact Us to request that a signature be required.

    Still need help? Contact Us

    Tech Specs

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