The Bosch E-Bike Sprocket Connex is an upgraded chainring made in Germany specifically for all Bosch E-Bike systems, giving you the capability to change the gearing ratios on your Bosch equipped E-Bike.
Customize your Bosch Gear Ratios
A perfect upgrade if you find yourself running out of gears while going downhill, or if you find yourself using the smaller sprockets on your cassette often. A high-quality manufacturing and hardening process ensures the Bosch E-Bike Sprocket Connex is extremely wear-resistant and more durable than the original Bosch chainring.
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Review by Martin L. on 19 Feb 2019review stating Great customer service.
The ordering process was easy and the parts were delivered on time. I was contacted by a staff member to let me know that one item on my order could be delayed as much as a couple of weeks, I opted to cancel that item. They still honored the free shipping even though the new order total did not meet the required minimum amount. I would order from here again.
Comments by Store Owner on Review by David g. on 9 Oct 2018
Scooteretti
01/03/19
Glad you are pleased with your purchase and experience with us. We really appreciate your business.
D
Dominique C.
Verified Buyer
5.0 star rating
08/22/18
Works perfectly as designed
Review by Dominique C. on 22 Aug 2018review stating Works perfectly as designed
You do need to have the Bosch tool to remove original sprocket. Installation is a breeze. I note that the original is offset to align better with the chain, would have liked to see a spacer come with the connex sprocket to help ease the alignment. That said it works on my Haibike AllMtn 7.0. I am easily getting another 20km out of the same battery charge, so more efficient.
Comments by Store Owner on Review by Dominique C. on 22 Aug 2018
Scooteretti
08/22/18
Thanks for sharing your review with others. We appreciate it.
D
don
Verified Reviewer
06/27/22
Q: I have a 2019 Cube fatbike with Bosch CX motor, 16T chainring and 11-46T 11speed cassette. I would like lower grearing. Can I replace the 16T chainring with a 14T chainring? That would give me 14% lower gearing. Is there a downside?
R
Richard G.
Verified Buyer
06/29/22
A: The possible downside is that with a 14 tooth sprocket your potential "peddling" top speed will be 14% less than with the 16 if it matters.
The bigger question is that you said that you have a Cube "fatbike". If you are referring to a 2019 Cube Nutrail E-500 I don't think that a generic Bosch Generation 2 sprocket will work.
Scooteretti can correct me as required but I believe that you will need a propitiatory "Cube/Nutrail/Miranda E-Fat 19mm Modified Offset Chainring".
They are expensive and I don't know if there is a 14 tooth version or if there are any alternatives.
I will be interested to hear what Scooteretti has to say about this...
Scooteretti
06/28/22
A: You should be able to do it without any issues. Just make sure you use the same chainring offset on those bikes. We only have the original 16T chainrings available. *Note that these are not the same chainrings as the Bosch Connex ones and are a custom one which you will need to reach out to the store to order one if interested.