How to increase speed of a Rad Power Bike e-bike (DeRestrict!)

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When you guys asks questions in the comments of my videos, I'll try to answer them. If there are questions that I think would make a good video response, I'll choose them to do a longer segment. If I choose your question for a video response, you'll win a copy of my book The Ultimate DIY Ebike Guide (the paperback or the ebook), or my book DIY Lithium Batteries.

[StarkeBill]

I didn’t need to increase my flat terrain speed. What this adjustment did was enable my bike to coast downhill faster instead of being held to 20mph. This has greatly increased my enjoyment of the bike. Thank you!!

[carlosrivera]

I like how you get right to the point on the speed mod. Simple and to the point, thanks

[oldengguy]

Thank you for this. My wife and I just got our Rad City bikes yesterday and on our first ride, she was way ahead and out of sight. I followed these instructions and sped mine up and slowed hers down. On our second ride today, she was glad I was able to keep up. Shhh!

[westonspiering]

This is fantastic. Here I came from looking to buy an off the shelf ebike, now I am looking to build my own from scratch. Love your content and would love your book. Thank you!

[innersanctumoccultube]

Hey! I have referred back to your videos on several occasions while navigating the world of electric scooter and e bikes over the past year or so. I own a Schwinn Stealth 1000 that is now almost a completely different vehicle and it's unlike anything I've seen. Everything has been upgraded, I'm running lithium, overvolting the 36v 1000w system with 48, 56, when file charged, and had nothing but amazing reduce l results. Part week I damaged the driveshaft on a pothol and wound up with no other choice than to change to another drive system because the direct drive assemblies are discontinued along with most of the other important parts, but the result is absolutely unbelievable.
Every major scooter and e bike shop said there was no work around and that unless i found a used motor assembly I was not going to be able to fix it. I'll be posting a video in a day or tell when everything is up and running and you'll see just this wrong they all were. I'll disclose everything in the demo video and talk about some of the other mods i pulled off. I posted an into just to let people see it while i had it apart this past weekend. It reaches 30+ mph effortlessly and that was with the direct drive. What i saw today when i assembled the chain drive system i pieced together and turned the throttle was scary. It'll be ready to test drive tomorrow and I'm definitely going to be posting a video of that. I'll never know how fast it can go because you can't resonably hi that fast without instability on one of these but I love it to pieces and I'd be more than willing to bet it's the fastest of it's class by far. I wanna get you opinion on all the things i did and maybe give me some pointers about additional mods i have planned.

[robmeador]

Can confirm this works on my Radmission with the upgraded display! Awesome!!!

[isidrorosales]

I was able to change the speed limit restriction on my Rad Wagon 4 from 20mph to 25mph in seconds by following your instructions. Thanks!

[alathorne]

This evening I finally decided on ordering a RadCity ST after much research. I viewed many of your videos to help me make my decision. I decided to view a few more videos and found this gem. This should prove useful. I am using your affiliate link. Thanks!

[Cyousoon]

Very informative, thanks for the easy to follow tutorial ❤️☝️
You still had the plastic on your display nice 👍🏻

[meep]

Does the radppwer 6 plus bike have this same display and settings. I am very close to getting 1 but do not like the 20 mph max speed. Thank you

[DougScheer-ie]

Thanks for the info on how to increase speed. Very simple!
Thanks Doug

[jorgepineyro]

Hi! Can I increase the speed limit if I have the basic control? I don’t have the LCD display install in my bike.
Thank you so much!

[utcastAussie]

SW900 screen.
Mine b0rked so I bought a KT LCD3. I didn't like the aesthetics to start with but it had so much useful information I became a convert.
I've since upgraded the battery (using your book) to 72v (20s-5p) which is actually 84v fully charged through a Risunmotor (sabvoton) controller which came with a KT 750c screen.
The Screen is very pretty but chuffin hopeless at just about everything.
Speed reads 10 MPH over - Charge reading is Well... is it ?
And as for the clock... Just lol.
I might see if the LCD3 works on it as it's so superior !

[markjones]

I did that process on my Rad City 5 plus and I regularly hit 23 and 24 miles an hour. It may not sound fast, compared to a car but it's fast enough to routinely make my eyes water so badly I couldn't see to ride. I fabricated my own integrated helmet/eye guard out of an old pair of ski goggle lenses and my old helmet but Amazon has some helmets with built-in eye guards.

[cecilgibbssr.]

I have a recumbent tandem tadpole trike my son and I built a few years ago. My ambition is to install a 1, 000 watt Bafang middrive and pair of 14s 6p or 7p lithium battery packs to the trike. I have enjoyed a number of your videos with the wealth of information they provide. Thanks for all you do in the world of ebikes.

[cary]

I was excited to try this but the results were a little disappointing. I have a Rad Runner with an LCD controller upgrade and a Rad City. The difference on the Rad Runner was negligible - only about a 1mph increase over flat ground. Rad City will now do 23 mph, though. Still a useful video where I learned something, though - so thumbs up.

[tonytesoriero]

Thanks so much I hated at 19 miles an hour the braking started. This will help a lot.

[soyreeng]

In stock mode. I hit 35km with peddling+throttle. 40km on downhill max with throttle. Just changed the setting to 40km before was 32km. Mabey on the downhill I can get 50km or 45km with peddling on flat road.. thanks so much for the tip. 👍👍👍👍

[melenriquez]

Thanks for the video. I just de-restricted my e-bike to run ove 25kph. It is a 250 watt motor and 36v rear hub motor. I was amazed I could ramp it up to 60kph! Of course, even if I did that, it won't go that fast. The e-bike is limited by the voltage and the battery amp/watt hour. Of course, the controller plays a part in that too, not to mention if it is a geared motor, they may be designed for a certain optimal speed or top speed. Anything past that will just soak up more juice and/or require more pedaling on my part. In mine, I noticed I couldn't really go past 31kph when the battery is newly charged, even if I set it to 40kph or 60kph. So, it has to be a voltage limitation, battery amp limitation or the geared motor. But I am not complaining. A 5kph-6kph bump is still better than being stuck at 25kph. :) My guess is if the battery was 48-v, I might just go over 40kph easy. But that would mean I have to get a 48-v battery and maybe even re-programming the controller (if it can be or can handle the extra load) to go 48-v. Too much to consider, so I'll just stick to 31-32kph. :)

I have a question though, how do you know the key or way to get into the menu/sub-menu where you can set the top speed. In ours, you have 4 numbers, and one can do a brute force and try out 9, 999 number combinations. One can get lucky even before you reach halfway! Is there a manual or technician's code book where it is indicated there?

[Tom-tpjr]

Will do this as soon as my bike comes. Thanks.