We Made The World's First Wireless Bike Brakes

Published 2023-12-10
Wireless components are becoming extremely popular, with the emergence of products such as SRAM's AXS wireless groupsets and dropper posts. More wireless components mean fewer cables and cleaner cockpits, but one area was yet to be given the wireless treatment: Brakes! Here at GMBN we have been dreaming of making wireless brakes for many years, but just haven’t managed to figure it out... That's where Blake Samson comes in - he noticed the similarities between his RC car controller and the brake levers on his mountain bike. The seed of this idea has led to the most ambitious Blake Builds project yet, leading to the world's first wireless mountain bike brake, as well as the world's cleanest MTB cockpit.

⏱ Timestamps ⏱
0:00 - Intro.
0:58 - The theory behind wireless brakes.
2:23 - Let’s get cracking! The caliper assembly.
7:53 - Making the levers.
11:03 - Time to test!
14:29 - The pros and cons | Test Results

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Would you use wireless brakes? Would the lack of feedback from the lever put you off? Let us know in the comments!

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All Comments (21)
  • @gmbn
    Would you use wireless brakes? Would the lack of feedback from the lever put you off? | Watch the GMBN Tech interview and detailed look 👉 youtu.be/qTxtrt49Sxc
  • @Celeon999A
    This is absolutely amazing ! Not just designing and building that on your own, but also daring to actually ride it pretty fast on real trails. And massive props to Blake for actually making a front brake version aswell. Im pretty certain quite some people would dare to try out the rear one but certainly only very few would dare to even touch that little front brake lever , for obvious reasons. 😆
  • @RicardoPetrazzi
    This is arguably one of the all time best Blakes Builds GMBN has done. Simply brilliant. I enjoyed every minuit of this one. 🤘⭐⭐⭐⭐⭐
  • @zwingler
    Blakes videos style is always so captivating. The way he is always so giddy about what hes doing and the editing style supporting it.
  • @Marco-vp8wl
    For a v2: try to use a conventional mtb lever + potentiometer. Also implementing a strong spring into the lever could help with modulation
  • @olewiegmann6563
    Mk2 would definitely be interesting to see. Maybe longer levers could help with the modulation because the travel of the lever increased compared to the movement at the sensor. As scary as those are, they're equally interesting.
  • Haha, ‘Die-by-Wire’ braking… 😂 Great job Blake, creative thinking but it’s defo gonna be a thing somewhere down the line…
  • @JB50713
    Lol husband, father, mountain biker, vlogger, carpenter and now an electrical/ mechanical engineer! Blake's a one man show.
  • @ericl6460
    Love the use of CAD (cardboard aided design) for making the brackets
  • @andrec.136
    As an electronics nerd, I found this quite interesting. I used to say that brakes is the one thing I wouldn't want to be wireless, but after seeing this I am beginning to think differently. Lots of refining needed now, such as latency, integration, etc. I can see this happening. I foresee the caliper and server being one unit, the brake levers having a normal look and feel for the sake of intuitiveness and feedback. And of course water resistance.
  • @avocette
    Great video Blake! I do have some suggestions regarding the implementation of modulation. Two key things here: the actual modulation in the caliper, and the user-end's perception of modulation in the controls. I would suggest attaching a stiff spring between the servo and the cable pulling the caliper so that the braking force ramps up as the servo pulls more. On the lever side, you could use an elastomer or compression spring that pushes against the lever blade on the end part of its travel. You can use a cable brake lever to pull on the trigger part of the mechanism. Last touches will then be to fine tune the bite point on the caliper side to match with the lever starting to engage the resisting spring.
  • @tiagobelo4965
    I'd reccomend using a load cell for control on V2, should make it way easier to modulate. Edit: if you're feeling extra adventurous (and have a spare set of handlebars, which you lads 100% do) you could put the electronics inside the handlebars for an extra sleek look
  • @godbob5835
    This would actually be extremely useful for mountain bikers like me with slight arthritis in the finger joints. Having no resistance in the levers means that I can press the brakes easier without having to worry about my arthritis giving me problems while slowing down. This new invention would be epic for other bikers who have finger disabilities and require no resistance in the brake lever to slow down. Well done Blake!
  • @joalnelo
    Blake, this is so sick. As a bike mechanic, I think this is fascinating and so out of my skills 😂 kudos to your abilities and skills to do this in your garage....Sram and Shimano are watching 😅
  • @omunorilor9380
    If you're doing the mark 2, i've got some ideas: Put a heavier springs on the triggers so they feel more real. Shorthen the servo arm for so they don't feel on and off, For flexing you could make the mounts also sit on the frame and tighten them with some zip ties. Nice and fun project tho!
  • @noxed11
    Now this is what the internet was made for. Incredible effort. Please keep refining these!
  • Absolutely BRILLIANT. I will buy it in a heart beat. Imagine GMBN being the pioneer in wireless bike brakes. Brilliant I tell you.
  • @lukesvlogs7725
    It's crazy, I always thought of something like this, and now it's real! So sick!
  • @flowstateofmind
    I'm pretty sure there is not a single insurance company that would be ready to back this idea but it's pretty stunning Blake actually got it to work
  • Brilliant! This needs to be sent to GCN's Hack/Bodge of the week. It is an ingenious hack and at the same time it is a hazardous bodge beyond belief.