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Your cart is empty. Function: To protect the bike, especially chain, motor,gear, etc. During the riding, after your bike fit the gear sensor, when you change the gear, the gear sensor will cut the power of whole bike, the motor will stop working, the chain also turn slower, it is more fluently to shift the gear, and protect the bike well.
Operating voltage: 4-5.5 VDC
Current consumption: 5mA
Signal Output: Pulse duration 0.1s
Protection circuit: Short Circuit & Polarity Reversed Protection
Housing material: Intensive ABS
International Protection: IP67
Operating temp/hum: -25℃ ~ +70℃ ; 85 % RH
Size(L*W*H): 47mm * 18mm * 12mm
Garrett B Miles
Reviewed in the United States on March 1, 2025
I've had 3 of these stop working in quick fashion. They're garbage. My most recent one only lasted a few weeks after buying. The one before that lasted a bit less than a year. They stop detecting upshifts completely and then barely read downshifts. They are also designed in a way that they can't be opened. The problem is, there are barely any other shift sensors on the market. Also, while replacing my last shift sensor, I accidentally broke my shifter, requiring me to also order a new one of those, which would have never happened if it wasn't for having to constantly replace this shift sensor.
mrchctt
Reviewed in Canada on March 18, 2024
Les changements de braquets sont plus harmonieux et préviens des dommages à la chaîne.
Xander
Reviewed in the United States on February 12, 2024
Do yourself and your drive train a favor and just get it. Install is easy and the security of knowing your gears won't grind to dust is worth it. Only wish it came with the bafang kit out of the box
greg Abell
Reviewed in the United States on October 11, 2024
This is not included in the conversion kits but should be. Highly recommended getting this for your e-bike conversion. Makes shifting smoother under load.
raf
Reviewed in the United States on April 9, 2024
All the reviews day it's easy to install. It was tough for me. Cable was hard to push thru sensor. Worked great after install.
pebbles
Reviewed in the United States on September 21, 2023
Adding this to the motor set up made it work so much more smoothly and protects the motor from damage.Our overall experience with BAFANG has been excellent. We've done two bikes now and are really happy with the results.
E. Knoyle
Reviewed in the United States on February 23, 2023
Simple to install and works like a charm. BBS02 motor and 9-speed rear cassette.
Chris
Reviewed in France on December 29, 2023
In-dis-pen-sable pour soulager la transmission!!Suite montage moteur électrique installé sur un VTT de marque.Je retire 2 étoiles pour le prix. Autour de 7 euros direct a la source commerce en ligne tinois bien connu...C'était impossible de faire une pause de 15j dans mon montage conversation Vttae.Alors, je l'ai pris ici .Fonctionne parfaitement ( Bafang? Peut être ...)
Guy Lamarre
Reviewed in Canada on September 24, 2022
Accessoire nécessaire pour adoucir les changements de vitesses du vélo équipé d’un moteur Bafang. Moins exigeant pour la chaines et les engrenages. Fonctionne très bien et s’installe bien. Consulter les vidéos sur Youtube
J.New
Reviewed in the United States on June 21, 2022
I've converted two trek mountain bikes to Ebikes. I installed this shift sensor on both. The first works about 80% of the time. The second only works about 40% of the time. It is not easy to jailbreak these, there are no screws...they are sealed closed. I noticed my second bike's shift cable had a light bluish teflon-like coating. I scraped that off and the sensor worked a little better for awhile. I'm pretty sure there's still a problem with the spindle, magnet, and/or wheel inside the unit. ....back to jailbreaking.
mike oler
Reviewed in Canada on August 19, 2021
Great product, very satisfied
Eternaldawg
Reviewed in Canada on August 19, 2020
A must have if you have a mid drive motor. Without it get ready to do some chain repair on the trail or road.
Bell Marketing
Reviewed in the United States on March 7, 2020
This which is an absolute essential for any powerful electric bike that is mid drive propelled. When you switch gears momentarily switches off the motor allowing for smooth shifting and no gear grinding.
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