My Brompton now has an electric shifter
11-30-22, 09:05 PM
#1
Junior Member
Thread Starter
My Brompton now has an electric shifter
Thanks to L-TWOO's new economic electric shifter --- AE (https://www.ltwoo.com/cn/h-pd-1720.html#_pp=181_4466), I am able to experience completely different gear shifting on my Brompton.
As I posted in my previous threat, I prefer to use a shimano regular rear derailleur (this time it is an XT m750) and over sized pulley wheel system on Brompton. With this combination, the shifting is always very smooth. So, I thought after installing the new electric shifter, there would be no big difference, except one cable less.
However, I was wrong.
The actuator is so programmable that you can define not only the number of gears but also precised cable pull length of each single gear, which means no matter which rear derailleur and which set of cassette you have, you can always calibrate your system to a very very accurate level.
I fixed the actuator onto the rear triangle right under the suspension block. Do you find it? The 2 fixing ties look a little ugly, but since the actuator is pretty light, so no problem. I hope L-TWOO could optimize this in the next generation.
As I posted in my previous threat, I prefer to use a shimano regular rear derailleur (this time it is an XT m750) and over sized pulley wheel system on Brompton. With this combination, the shifting is always very smooth. So, I thought after installing the new electric shifter, there would be no big difference, except one cable less.
However, I was wrong.
The actuator is so programmable that you can define not only the number of gears but also precised cable pull length of each single gear, which means no matter which rear derailleur and which set of cassette you have, you can always calibrate your system to a very very accurate level.
I fixed the actuator onto the rear triangle right under the suspension block. Do you find it? The 2 fixing ties look a little ugly, but since the actuator is pretty light, so no problem. I hope L-TWOO could optimize this in the next generation.
Likes For GTA:
12-21-22, 01:23 PM
#2
Schwinnasaur
That bike looks nice. Please do a write-up of your mods. Links to actual parts would be a big help too.
01-16-23, 08:57 PM
#3
Junior Member
Thread Starter
Originally Posted by Schwinnsta
That bike looks nice. Please do a write-up of your mods. Links to actual parts would be a big help too.
If you want to know any specific part's details, I would like to explain.
01-18-23, 08:30 PM
#5
Schwinnasaur
Originally Posted by GTA
The core modifications are the customized rear wheel & cassette; an additional dropout; rear derailleur with oversized pulley wheels; and the LTWOO AE set.
If you want to know any specific part's details, I would like to explain.
If you want to know any specific part's details, I would like to explain.
01-19-23, 10:27 AM
#6
Ride more, eat less
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Looks similar to the Xshifter wireless system that I put on my TT bike since 2018.
Xshifter had sold their rights to CELL Cycling, which has its own wireless system now, I guess LTWOO is just making the old Xshifter system.
Xshifter had sold their rights to CELL Cycling, which has its own wireless system now, I guess LTWOO is just making the old Xshifter system.
01-19-23, 09:03 PM
#7
Junior Member
Thread Starter
Originally Posted by Schwinnsta
Let me ask which derailleur you used and did it come with a hanger? Did you have to modify the hanger? Did you then only change out the pulleys to larger ones? I am trying to make a list of the parts needed and their cost.
Regarding the pulleys, I have tried many times. The total teeth should be no less than 32, in order to maintain chain tension when folded.
01-19-23, 09:06 PM
#8
Junior Member
Thread Starter
Originally Posted by cat0020
Looks similar to the Xshifter wireless system that I put on my TT bike since 2018.
Xshifter had sold their rights to CELL Cycling, which has its own wireless system now, I guess LTWOO is just making the old Xshifter system.
Xshifter had sold their rights to CELL Cycling, which has its own wireless system now, I guess LTWOO is just making the old Xshifter system.
01-19-23, 10:26 PM
#9
Schwinnasaur
Originally Posted by GTA
From for example Ali-Express, you can find the special designed hanger for brompton, the you can use regular rear derailleur. This time I put on a SHIMANO RD-m750, and swap its pulleys and cage with bigger ones.
Regarding the pulleys, I have tried many times. The total teeth should be no less than 32, in order to maintain chain tension when folded.
Regarding the pulleys, I have tried many times. The total teeth should be no less than 32, in order to maintain chain tension when folded.
01-20-23, 04:23 AM
#10
Junior Member
Thread Starter
Originally Posted by Schwinnsta
What cage length, please?
like this one:
https://www.rideabikes.com/product.p...evel_4=SHIMANO
01-25-23, 06:49 PM
#11
Schwinnasaur
Originally Posted by GTA
you can buy OSPW system, including cages and pulleys.
like this one:
https://www.rideabikes.com/product.p...evel_4=SHIMANO
like this one:
https://www.rideabikes.com/product.p...evel_4=SHIMANO
01-28-23, 07:27 PM
#12
Junior Member
Thread Starter
Originally Posted by Schwinnsta
This part alone costs well over $300. Is there a more cost-effective option?
