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Biologic Vacuum Flask

3.2 out of 5 stars 11 customer reviews

List Price: $29.99
Price: $24.99 + $5.00 shipping
You Save: $5.00 (17%)
Only 5 left in stock.
Ships from and sold by BioLogic.
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  • The only vacuum-insulated, bottle cage compatible, one hand operable, bottle on the market
  • Compatible with standard bicycle bottle cages and the BioLogic QuickMount Bottle Cage
  • Surgical grade 304 stainless steel is durable, BPA free, and won't impart taste
  • SipSpout top designed especially for hot coffee or tea
  • 375 ml (12.7 fl oz) volume capacity
$24.99 + $5.00 shipping Only 5 left in stock. Ships from and sold by BioLogic.

Technical Details


Product Description

Sometimes, you have to slow down a bit to enjoy life's simple pleasures, like a steaming cup of hot coffee on a chilly morning bike ride. The Vacuum Flask is an insulated stainless steel bottle designed specifically for standard bottle cages. A push button on the lid opens the SipSpout so it's easy to take a quick shot at a stoplight. On hot days, it'll keep a drink ice cold for hours. For hot and cold liquid refreshment.

Product Details

  • Shipping Weight: 1 pounds (View shipping rates and policies)
  • ASIN: B004U7CXU4
  • Item model number: bhgvf
  • Average Customer Review: 3.2 out of 5 stars  See all reviews (11 customer reviews)
  • Amazon Best Sellers Rank: #601,907 in Sports & Outdoors (See Top 100 in Sports & Outdoors)
  • Product Warranty: For warranty information about this product, please click here

Customer Reviews

Top Customer Reviews

Verified Purchase
I really enjoyed this thermos, it is an excellent insulator and fits in a bike waterbottle cage as advertised. Unfortunately, I did not wash it frequently enough and the top part containing the mouthpiece began to smell like old coffee. I ended up throwing it out. I could not get rid of the smell once it started! To be fair, i didn't wash it for up to 2 days after using it. Busy schedule.

If you do get this thermos, make sure to wash it right after you use it! Also consider not using for coffee, which made it smell much stronger than when I used it with tea only. If you do that it should be ok, imo. Also be sure to remove the silicon O-rings and wash them separately, as gunk can get trapped in them. This is a "high maintenance" product but it is convenient, stylish and easy to use, and does fit in a bike water bottle holder.
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Verified Purchase
My husband loves to bike ride and loves his coffee. We have a new coffee shop that opened in our town (about 3 miles from our house) and he loves to ride over there and get a cup of coffee and ride home. The problem was even with his steady hands, he could not keep the standard "to-go" cup with lid not to spill somewhere during his ride home. (Somewhere along his route something would happen that would cause him to need both hands on the handle bars before he finished the coffee.) We looked at getting the coffee cup "ring" holder that goes on his handle bars, but he said he would prefer a mug that fit in his water bottle cage instead.

So we bought this flask and it fits perfectly in his standard bike water bottle cage. He has used it several times and it hasn't spilled and it keeps his coffee hot for a long time.

Since it is insulated it is large looking, however, it holds only about one cup of coffee that can be purchased at a typical coffee house "to go" cup.

We love it and it was worth the extra money (versus other options on Amazon) because he can now enjoy both bike riding and his morning coffee at the same time without spills.
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Verified Purchase
I was looking around for a product like this for a while. I assumed it was insulated like most if not all coffee mugs. It's great for keeping coffee hot, but as soon as coffee is poured in you find out quickly that it's too hot to hold. It's like pouring coffee into a paper cup. Anyway, by the time i get to work the coffee is just right & i can hold it with my bare hands & not whine. I took off another star since the mug gets scratched every time it goes in & out by my bottle cage. This product would be perfect if those issues were resolved.

Edit: Change to 1-star; lid fell apart. WARNING: NOT INSULATED
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I love this flask. My coffee stays hot for 3+ hours, no joke. I hate warm/cold coffee and this keeps me from wasting so much of the good stuff. The only reason I can not give it 5 stars is that after a few months the button that you depress to open/close the lid starts to stick. After a full year its really, really tough to get open. I have sent the make an email about it once and they sent a new one but its happened twice. They need to review this design and fix the flaw...otherwise its seriously amazing. I'm ordering a few for x-mas gifts.
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By SuKo on December 21, 2013
Verified Purchase
Can't wait for a cold morning to have my hot coffee on the bike. Love the stainless steel material because plastic absorbs and holds the taste of coffee and then I would need to dedicate a plastic bottle just for the occasional coffee. The steel solves that problem. Well made. Used it for a cold beverage and am quite pleased with this item.
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Verified Purchase
Not too thrilled with this, the lid tastes like plastic. I only use it for tea, and every sip I take tastes like plastic. I can hardly even taste the tea when I use this mug. The lid seems cheaply made, it is currently working fine, but looks like it will stop opening and closing properly with a little wear.
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