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 havenβt 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.
β± Timestamps β±
0:00 – Intro.
0:58 – The theory behind wireless brakes.
2:23 – Letβs 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? | Watch the GMBN Tech interview and detailed look π youtu.be/qTxtrt49Sxc
mach 2!!! mayb take apart some axs parts
17:38 apart from every track bike since about 1870 but OK π
Hey – next project – fixed gear MTB vs wireless-braked Canyon π
That "soul-less" feeling must be very much what I felt just a few days ago. I left home with my old 90's MTB, which I use for everyday commuting, and I had been servicing the evening before. I was rushing to catch the train and then just as I approached the intersection with traffic, I hit the brakes hard andβ¦ that eerie empty feelingβ¦ I had not put back together the V-brakes! π±
So I had to turn the bike sideways on the tarmac to bleed speed just in time to avoid invading the main street traffic. π
I felt my soul literally leaving my body for a moment: that soul-less feeling!
checks out all the boxes, electronic cable actuated hyrdaulic disc brakes
Nice project. Feedback could be incorporated with servos in the leavers, which is what aircraft do. Abs would be a very nice addition here.
Here is the moment, when Sam P take a second place in his retardiasπ
How about the delay between operating the brake lever and the servo action? Is it somewhat easy to adjust yourself?
β β WE NEED WIRELESS BRAKES MARK 2.0!!! ππ
IN TE NEW VERSION MAKE IT THE TURBO POWER ELECTRIC MEGA BLASTER BRAKES PART TWO
I guess with some force feedback: this is the future!!!
This is mindblowing – imagine having programmable brake profiles for wet and dry conditions. ABS and no more blocking brakes. Automatic brake force distribution with only one lever or braking with different switches like gripshifts or your feet position. IΒ΄d totally buy that!
I am riding AXS on three different bikes now and it never ever failed in four years. Could be solved with a fail-safe mode: Rear brake closes and front opens when battery is too low.
Now add abs
Jeremy Clarkson.
Put it on a Fatbike, and i will try to π
A solution to a non-existent problem.
Blake……stop buying stuff……
I would change it to use a small arduino and potenciometers, something like drive by wire. This could be used through disabled people, which might not have the grip strength.
I'd personally use actual brake levers that you can attach springs to so that you can increase the input force needed. Modulation will be easier with some back-pressure / force actually acting against your fingers. Then attach the brake lever to the string pot of the RC remote trigger.
build a mk2 with abs, and let the levers control the deceleration but not the breaking force.There are so many things configurable with electronics.
As an RC enthusiast, big thumbs up!
Hell ya!!!
He who dares, wins.
Blake is winning right now ππ
Awesome job Blake! I am into RC for over 20 yrs and seen a lot of RC planes with rc operated brakes. Was thinking how to transform this idea into MTB. Thise TRP brakes solved the missing link π never seen them before.
If you are for Version 2.0 think about – modulation (different spring rate for controller lever), servo throw (exponential rate on controller) – it's the same as if you'd use Sram lever on Shimano caliper…
However the best usage would be on Spectral:ON and those servos be powered from the main battery via USB port – this would solve possible run out of battery scenarios when riding.
β€ props for your work!
Brilliant and fun. Definitely need a part 2.
That's why a lot of Astronauts are Test Pilots. You need to know how to handle sh*t you don't know how it will behave. π
Freakin' legend!
Who else wanted to see a Barspin.
Maybe us a different servo with bigger gearing for more modulation. Maybe also calculate or test what servo power you need to stop the wheel from completely rotating, with you weight combined. Maybe you can cut some servo power so you can pull more lever. Just some idea's.
Would I use it, no. Is it cool, yes. You could use a strain sensor for the lever instead which would give you the sensation of pulling harder on the lever gives you more braking.
I donβt even trust electronic shifting….πΉ
Solid bar from servo to lever for fast retraction, load sensor on the actuator handle to better control motion…
Pleease do a mk 2, this is finally something that i find interesting
What if you tried magnetic braking?
π€ i used to race 1/5th rc cars with petrol 23cc 2 stroke engines we had hydro disks on all 4 wheels instead of cables pulling could you not use a rod? Also if you uad a better remote you can program them to modulate we even had abs on the cars and braking curves π
Error 404 – brakes not found π
This is amazing Blake. I haven't read all the comments but I hope you have a patent and are getting calls from SRAM! You need to get paid!
Normally on better RC receivers you can program the sensitivity of the signal, so you could actually make them more modulateable just by software. But a better lever wouldnβt hurt I guessπ
This is absolutely brilliant. Definitely need to see the mark 2 done. Well done Blake πππ
Thank you Blake! I know that watching it 5-6-7-years later and web shopping for some XT, XTR wireless brakes we will be thankful to you again! :- )))
Great idea and a cool concept. But it's a hard pass for me.
Good proof. But I wouldn't use them. I can trust gear changes but when it comes to life saving stopping, I need 100% reliability. Cable or hose for me I'm afraid
Great, you can put a electro-hidraulic bump in caliper for hidraulic brake system