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  • TrioNew Colours Insulated · 621ml/21oz · from £44.99
  • Ventura Insulated · 621ml/21oz · from £44.99
  • Bivo One Non-Insulated · 621ml/21oz · from £34.99
  • Bivo Duo Non-Insulated · 740ml/25oz · from £39.99

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Duo Stainless Steel Water Bottle - 740ml

The most water in the range at the second lightest weight. 740ml, 175g, and a nozzle that pours without squeezing.

Colour: Sun
Bubblegum
Sun
Raw
Black
True Blue
100% Lead-Free BPA / BPS / BPF Free LFGB Food-Grade Silicone 100% Recyclable Steel
740ml capacity, 175g dry weight
245mm height, 77mm maximum diameter
Single wall, not insulated
Patented high flow nozzle, no squeezing needed
Lid interchangeable with the Bivo One
Silicone anti-slip exterior on coloured bottles
Universal bottle cage fit

Compatible Accessory

Compatible Accessory

More water, barely more bottle

More water, barely more bottle

740ml is the most we make, and at 175g the Duo is only 17g heavier than the One while carrying 119ml more.

That's the trade this bottle exists for. Long rides between refills, full training sessions, hot days where running dry is the thing you actually want to avoid.

Single wall, so it's light. If you want it cold for 12 hours instead, that's the insulated Trio.

740ml is the most we make, and at 175g the Duo is only 17g heavier than the One while carrying 119ml more.

That's the trade this bottle exists for. Long rides between refills, full training sessions, hot days where running dry is the thing you actually want to avoid.

Single wall, so it's light. If you want it cold for 12 hours instead, that's the insulated Trio.

Gravity Flow

Gravity Flow

Better flow by design. Working with our ex-NASA engineer, we developed the Duo to reach an unmatched flow rate with no squeezing required.

You can empty it faster than you can squeeze most traditional 740ml plastic bottles. It really is that fast.

Better flow by design. Working with our ex-NASA engineer, we developed the Duo to reach an unmatched flow rate with no squeezing required.

You can empty it faster than you can squeeze most traditional 740ml plastic bottles. It really is that fast.

Clean Taste

Clean Taste

It tastes like water, that's it. Stainless steel, food grade silicone, and every part comes apart so you can clean the whole thing rather than the bits you can reach.

No sealed valve, no plastic taste, no mould.

It tastes like water, that's it. Stainless steel, food grade silicone, and every part comes apart so you can clean the whole thing rather than the bits you can reach.

No sealed valve, no plastic taste, no mould.

Grip and cage fit

Grip and cage fit

The silicone exterior on coloured bottles does two jobs. It grips when your hands are wet or gloved, and it kills the rattle in a cage over rough ground.

Universal cage fit, so it drops into the cage you already have.

The silicone exterior on coloured bottles does two jobs. It grips when your hands are wet or gloved, and it kills the rattle in a cage over rough ground.

Universal cage fit, so it drops into the cage you already have.

It's going to get scratched

It's going to get scratched

Straight answer: a coated metal bottle in a metal cage picks up marks. Ours does. The coating scuffs where the cage grips it, and over a season it'll look like something you've used.

That's a deliberate trade. The coating is what gives you the grip and the quiet, and we'd rather it wore than swap it for something slippery and loud.

If you'd prefer a bottle that doesn't show it, the Duo comes in Raw: bare stainless steel, no coating.

Straight answer: a coated metal bottle in a metal cage picks up marks. Ours does. The coating scuffs where the cage grips it, and over a season it'll look like something you've used.

That's a deliberate trade. The coating is what gives you the grip and the quiet, and we'd rather it wore than swap it for something slippery and loud.

If you'd prefer a bottle that doesn't show it, the Duo comes in Raw: bare stainless steel, no coating.

Sustainability

Sustainability

Serious fun, less waste. The point of a bottle like this is that you buy one instead of getting through a drawer full of plastic ones.

Recyclable stainless steel, no plastic lining, and replaceable parts so a worn lid doesn't mean a new bottle.

Serious fun, less waste. The point of a bottle like this is that you buy one instead of getting through a drawer full of plastic ones.

Recyclable stainless steel, no plastic lining, and replaceable parts so a worn lid doesn't mean a new bottle.

Looking after it

Rinse after each use. Every part separates, including the nozzle, so give it a full strip down every few weeks or after anything sugary.

FAQs

How much bigger is the Duo than the One?

119ml more water for 17g more weight. Same lid, same nozzle, 25mm taller.

Is the Duo insulated?

No, it's single wall. That's what keeps it light. For 12 hours and more of cold, the insulated Trio is the one.

Will 740ml fit my bottle cage?

Yes. At 245mm tall and 77mm at its widest it's a universal cage fit and works with standard cages. On a small or full suspension frame, check clearance first. The 220mm Trio Mini is the option if it's tight.

Can I put hot drinks in it?

Warm, yes. Not scalding. It's single wall stainless steel with no insulation, so the outside gets hot and the fast flow makes very hot liquid difficult to drink safely.

What's the Raw version?

The same bottle in bare stainless steel with no silicone coating. It won't show scuffs the way a coated bottle does, but you lose the grip and the rattle damping.

Can I buy a replacement lid?

Yes, and it fits both the Duo and the One.

How do I clean it?

Take it apart. Everything separates including the nozzle, so nothing is trapped behind a sealed valve.

  • 5 stars: 80 (78%)
  • 4 stars: 11 (11%)
  • 3 stars: 5 (5%)
  • 2 stars: 3 (3%)
  • 1 star: 3 (3%)
N
Nico M.

This is my platonic ideal of a bike water bottle. My only gripe is the cleaning. where the straw attaches and the mouth opening, there'd a very small gap between them that got a bit of mold after about 8 months regular use- the only thing I can find to scrub it is a dental pick. I used a multi-step soak process to clean.

The silicone coating is like a tool dip and does not peel back anywhere, and the rest of the silicone parts are replaceable, but I've had mine a year and a month and everything is in good condition. It works with or without the internal straw ( my cat stole it from the drying rack) which is good if you want to freeze the contents. Because this is the non-insulated version, the ice will thaw pretty quickly thanks to thermodynamics. This is my go-to ride bottle.

Hey Nico, thank you so much for the review! For you to say that your Bivo is the platonic ideal of a bike water bottle means the world to us :)

Making a bottle that is genuinely easy to clean was one of our main priorities, so we worked hard to minimize any nooks and crannies in the lid. We tend to squeeze the tip of a sponge in the gap you're referencing, but I understand the concern that it's not as easy to clean as other parts of the lid. We'd be happy to chat about other ideas with you, we'll send you a note!

As for the venting straw, while water will pour out without it, the flow is really improved with the straw. We'll send you a new straw if you'd like :)

Thanks again and we're so glad you're overall loving the bottle!
Team Bivo

C
Cynthia C.

The flow rate is incredible. They are stylish and they fit super well in my cages.

Thank you for the great review! And thanks for including this wonderful photo. We appreciate your support, Cynthia!

J
John H.

I can only rate non insulated Bivo bottle as EXCELLENT! Took it out on my first ride (finally) a 40km road ride. Bottle fit perfectly in my bottle rack. Easy to use while riding. I did order dust caps for both bottles and I think in the future I will only employ that cap on my spare (second) bottle just to clean clean. The in use bottle took some fumbling to get off then open squirt cap. Warning! Get use to the flow rate BEFORE your first ride or you might find yourself drowned on your first use! I fortunately used bottle at the gym for a couple weeks before first bike ride so I knew how it was going to perform. The flow rate is massive, fabulous and unlike anything you’re likely used to! 5 stars! That’s easy.

Thank you for this wonderful review! We are so honored to hear that you are loving your new Bivo Duo, thanks for sharing this great photo. The flow rate can certainly take some getting used to but we are thrilled that you're loving it. We hope you enjoy a wonderful fall full of many more road rides! -Team Bivo

A
Anonymous

Great bottle to drink from - fast flow rate

C
Crystal H.

Absolutely fantastic! Highly recommend thank you

J
Jane W.

My new go-to water bottle!

E
Eileen B.

Great design.

Thanks so much for the awesome review Eileen! - Team Bivo

M
Maya F.

These are fantastic bottles. As good as drinking out of a glass with the gravity flow. The caps are definitely a necessity to keep the muck out. I also love having something I can put hot liquids into it if needed, when out on the trail.

Thanks for the great review Maya! I'm so happy to hear you're enjoying the effortless hydration with the gravity flow! Just be careful with the hot liquids, the fast flow + hot liquid can be tricky! We recommend warm but not scalding temps. Cheers from the Bivo Crew

O
Oldflyguy

Best bottle for any activity, sure, it fits the bottle cages perfectly, but so light compared to the name brand bottles, carries 25 oz and no microplastic!!

Use it at the gym, on the raft, hiking--anywhere you need water and keeps things light!. They just need a pocket flask style for ski jacket pocket. Don't think twice, buy a couple.

Hey oldflyguy, nice name! Thanks so much for the awesome review. We worked hard to design a functional lightweight solution to the old traditional plastic bottles and I'm happy to hear you're loving the bottle on and off the bike. Absolutely love the new product idea, we're an office full of skiers, so never say never! Cheers, Bivo Team

D
Doug M.

No plastic, great flow, feels good.

Great flow, woohoo! So glad you love your new Bivo, Doug. -Bivo team

J
Jeffery T.D.

Stoked!

Thanks for the 5-stars! Enjoy the new bottle!

K
Karl K.

Love drinking from a stainless-steel bottle on my rides!

Hey Karl,

Thanks for the 5-star review! Im happy to hear you're enjoying the fresh taste from our stainless-steel bottle. Cheers, Bivo team.

A
Alain L.

Onlangs de Bivo Duo gekocht, en de drank blijft niet lang koel,tegenover de Bivo One,en ik vindt deze prijzig tussen de twee,de Bivo One is zijn prijs waardig,voor mij is de Bivo Duo een verkeerde aankoop,enigste voordeel,er kan meer in.Sorry voor dit ongemak.Mvg,Alain

Thanks for taking the time to share your feedback. I’m sorry to hear you’re disappointed with your purchase. The Bivo Duo and Bivo One are both our lightweight bottle options and are non-insulated. If you’re looking for an insulated bottle, please check out our Trio product! In the meantime, if you have any other concerns or questions, please reach out to me at thirsty@drinkbivo.com. Caitlin - Customer Service

K
Kevin M.

This isn't first Bivo bottle. I saw their tent at a race years ago and was shocked at the flow rate. Water comes out so easily. After having bottles crack, or get sports drink flavor stuck in the plastic, I was desperate to find something I could drink out of while riding and that would be durable.

I still have those original bottles, though the paint has gotten chewed up by gravel. I recently added a strip of truck bed liner to keep them grippy after the silicon wore off.

Metal bottles last longer. They're super easy to clean, and I couldn't be happier. I dont know if I'd ever go back to plastic.

Hi Kevin,

Thank you so much for this 5-star review, I'm happy you were able to find a bottle that's durable, easy to clean, and easy to drink from! That's why we're here! I agree that after making the switch from plastic, it's hard to go back. Cheers and happy riding, Team Bivo

J
J

Nice

Thanks for your review! We're glad you have been having a 5-star experience with your new Bivo Duo. -Bivo team

K
Kailie P.

I've been dreaming of a metal cycling bottle to eliminate the taste of plastic, and this is amazing. It is surprisingly lightweight, fits great in bottle cages (as described!), and the gravity-flow design is superb. 5 stars for sure!

Thank you for this amazing review! We're so happy that you're loving the clean taste of your new Bivo and how lightweight it is. Yay for gravity flow! -Bivo Team

D
David H.

I bought a pair of these bottles because I got sick and tired of cleaning plastic. They've been everything I dreamed they'd be. Super easy to clean, and in my experience, they're easier to drink from than the typical plastic cycling bottles. You just tip and don't have to worry about squeezing. Back to cleaning, I recently took them on an overnight bikepacking trip and went through a bunch of different flavors of drink mix. I had absolutely no aftertaste or iodine aftertaste from the times I purified water in the bottles. The next batch of un-iodined water tasted like water.

'Everything you dreamed it would be' is such a great piece of feedback to hear. We're glad you found the bottle easy to clean and even easier to drink of than plastic. We appreciate the kind words and hope you continue enjoying your bottle. -Bivo

D
Dave M.

It’s great!

Thank you so much for this wonderful review, Dave!

C
Craig M.

So happy with my new non plastic sustainable Bike Water Bottle!

Thanks, Craig, for the 5-stars! We are so happy you found Bivo bottles. Cheers to drinking out of less plastic and having more fun while doing so :)

M
Martin L.

Revolutionary plastic free design! Highly recommended.

'Revolutionary' is an amazing comment that makes us happy :) Thanks for recommending Bivo bottles! Cheers, from the Bivo crew

D
Dan M.

Bivo makes the best water bottle I've ever had by a long shot. It has the best flow of any sport top I've tried -- it's practically like drinking from a glass of water. It's super lightweight, and thanks to the silicone coating, doesn't rattle in my water bottle cage. Stainless steel means I don't have to worry about possibly toxic plastic compounds leaching out of it. I only wish they made a larger volume bottle for hiking/general use.

'Best flow of any sport top you've tried' - wow that is nice to hear :) Thank you for this amazing review! We appreciate the kind words and we hope you have a great summer and stay hydrated.

E
Ed

Terrific bottle! It is really nicely designed. It feels great to hold and it works really well. Initially I was wondering how the flow would be, but it is amazing. Of course, one of the best features is that the water tastes fresh and there is none of the plastic taste you get with even the best of those bottles. Great job!

Hey Ed, thanks for writing. We're so glad that you love the flow and clean taste of your new Bivo. Enjoy the summer and stay hydrated!

s
shaun

5 stars minus 1. Deduction with use in metal bottle cages. The colored version will look like stainless steel in little time.

Hi Shaun,
Thanks for the review! I'm sorry that your cage and bottle weren't a perfect fit and that you're disappointed. Finding the best cage for a Bivo is something we have worked hard to do. While Bivos can fit in most cages, some have a better fit than others. We recommend taking a look at our favorite cages here: https://drinkbivo.com/blogs/news/cage-fit and if there's anything else we can do to help you, please reach out to thirsty@drinkbivo.com. Thank you so much!

K
Kevin

Awesome water bottle if you’re looking to switch away from plastic squeeze bottles. For those who may have been wondering the same things as me: Yes, the bottle spout closes so water doesn’t leak out. Yes, you should buy the dust cover, the silicone does pick up a lot of dirt and pollen. Yes, you should check out their article on bottle cages, I replaced my specialized rib cage (really hard to get the bottle out) with the Lezyne side load flows and it is secure but really easy to get the bottle in and out.

Hi Kevin! Thank you so much for the fantastic review. We are so pleased you are loving your bottle and we appreciate the advice to other shoppers :) We're really happy to hear you love your Lezyne side load cage. We hope you continue enjoying the bottle and staying hydrated. - Bivo team

T
Thomas R.

Great and not plastic!

Thanks for the amazing review, Thomas!

T
Tim

love it! great bottle

Thank you for this amazing review, Tim! We are grateful for the kind words!

R
Roger D.

Great bottle

Thank you for the 5-stars, Roger!