Designed to make the everyday extraordinary.


BIVI bikes has evolved from a passion for cycling, a yearning for adventure and the desire to share the world with like minded folk. We only produce 200 frames a year with meticulous attention to detail and a simple, effortlessly functional design.  

Our frames start at £429 with complete builds from £1579


The bike you’ve been trying to build in your shed for over a decade.


If you’re anything like us, your ride is constantly evolving as you wind your way through the singletrack of life. It’s not always practical to have four bikes parked up in your garage to suit your mood. For some, yes. For the minions, no. This is why we designed the Bunker. At the heart of it beats a true adventure frame, well thought out to carry gear with geometry to allow hours in the saddle and miles under the tyres. But the secret to any BiVi bike is it’s versatility. We designed this frame specifically to allow you to raid your parts bin and build it in a weekend. Then tweak it and tune it to suit you. No fancy over engineered tapered headtubes, no internal cable routing, no genetically modified power inducing geometry stupidity. Nope, just clean steel with an 1 1/8” reinforced headtube, MTB 73mm BB shell, single ring design, 70º head angle and a lifetime warranty. Just about any set of wheels will fit with adaptors for the 12mm thru axles and you can even squeeze a 2.2 MTB tyre in there. The Bunker frame can adapt to any riding style you throw at it. And it works.

Take our complete build DROP 700c as an example. It isn’t pure anything. MTB BB and crankset, road gears, drop bars and gravel tyres. Definitely something you could throw together at home. Raid your mates parts bin, get sharing and get back to the days when you made your own bikes up with what you had, not what magazines told you to ride.



Bike Packer

never come home

Fill every orifice with gear and blaze a trail that would make Forrest Gump proud.


Trail Rider

hours on every trail

Go old school and build up a lean, mean trail machine.



The ultimate ride to work

Getting to work has never been so much fun.



Load it up

You could fit more luggage if you tried.

“If this is what your roads look like, [potholes and lose tarmac] then this should be your road bike”