bosch generation 4

  1. Kriti Yad

    Zen Samurai CVT | Bosch Gen-4 CX | UL 2271 Certified Bosch Battery Upgradable to 1000 Wh | Gates belt drive | US 3499 | CAD 4199

    Hello E-bike enthusiasts, Zen Samurai is available in all sizes or immediate shipping for USD 3499 and CAD 4199. Order now, and you can expect your bike in just 10 days! Customization options and upgrades, available. A top pick among E-bike enthusiasts and EBR best reviewed Zen Samurai E-Bike...
  2. BMWzenRider

    Changing Drive Gearing & Crank Length on Bosch Gen-4 CX system.

    I posted this in the Riese & Müller Forum, and then realized that it might be a good idea to drive traffic from here to help answer my questions, since it is primarily about the Bosch software/programing, and how it will interact with the changes I have made and plan to make. Here is the link...
  3. BMWzenRider

    Changing crank length and primary gear reduction on Rohloff/Gates equipped 2021 Homage GT with Class-1 CX Gen-4 motor.

    Tech Warning: This post has numbers and spreadsheets involved! ;) I am going to be changing the primary gear reduction of my Gates belt drive, and need to know if my proposed changes will require any changes to the programming of the Bosch software/firmware? I bought the standard Class-1...
  4. FezUSA

    Finally have an ebike! Bulls Sentinel 2.0

    After renting some bikes last year we ordered two bikes, a Biktrix Stunner LT 20"x4" step-thru, torque sensor for my wife; and a Bolton Blackbird for myself. I knew the BB wouldn't arrive until Nov at the earliest, so I rode my 26yr old Diamond Back Response Sport with my wife. Decided last...
  5. K

    SOLVED: Can I buy a Gen 4 chainring and use it on a Gen 3 motor?

    I'm about to change my chain, casette and chainring on my Cube Cross Hybrid One 500: https://www.cube.eu/en/2019/e-bikes/trekking/tour/cross/cube-cross-hybrid-one-500-iridiumnblue-2019/ I'm not a seasoned bike mechanic, but I'm learning, which can be quite a steep learning curve at times. Not...
  6. Ravi Kempaiah

    Zen Samurai Diamond

    Early summer is the time when most companies start announcing new products and I thought this would be an appropriate time to announce updates on this model - Samurai. Some key highlights of the bike are presented below and full specifications will announced sometime in July once the...
  7. Chris Nolte

    Bosch eBike Updates for 2020 - Generation 4 Motors | CX | Cargo | Speed

    I had the privilege of meeting up with Jocelyn at the new Bosch Ebike Systems Headquarters for North America to learn more about the updates 2020 Bosch updates. Many new exciting changes including the Bosch Generation 4 motors, addition of the Cargo Line as well as the new Smartphone Hub with...
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