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  1. Ravi Kempaiah

    $10 DIY Smart Charger Alternative / Ver. 2.0

    Wh - in will always be > Wh - out. There are inefficiencies with every charger, and it is safe to add 5-8 % buffer to compensate for that.
  2. Ravi Kempaiah

    Zen Photon Pro- Preorder | 1040Wh UL Certified battery | 500W nominal/900W peak power Torque-sensing motor w/ Throttle | USD 2999 | CAD 3999

    100's bikes are sitting in our warehouse hallway. Our mechanics are working according to the production schedule.
  3. Ravi Kempaiah

    Zen Photon Pro- Preorder | 1040Wh UL Certified battery | 500W nominal/900W peak power Torque-sensing motor w/ Throttle | USD 2999 | CAD 3999

    The container arrived this morning after battling some snowstorm yesterday. We are busy unloading this to our warehouse and will share more pictures later today.
  4. Ravi Kempaiah

    Zen Photon Pro- Preorder | 1040Wh UL Certified battery | 500W nominal/900W peak power Torque-sensing motor w/ Throttle | USD 2999 | CAD 3999

    We will share very shortly. The container was released from the port, but the truck guys forgot to produce documents for the port authorities. It is hard to put into words the amount of frustration we experience dealing with shipping and freight companies. They were supposed to bring the...
  5. Ravi Kempaiah

    Waiting for photon ebike

    Hi Wayne, We have just received the container at the port and the bikes are getting unloaded to our warehouse later this evening. The bikes will ship out in the sequence of orders placed. Please bear with us while we start building and shipping them out. Thanks for your cooperation.
  6. Ravi Kempaiah

    Zen Photon Pro- Preorder | 1040Wh UL Certified battery | 500W nominal/900W peak power Torque-sensing motor w/ Throttle | USD 2999 | CAD 3999

    Photon Pro in 17" would be perfect for them. We are working on the exact upgrade cost because if the end-user purchases the SIM card, the cost would be different compared to offering the SIM. For now, it would be a $190 upgrade (approx number)
  7. Ravi Kempaiah

    Zen Photon Pro- Preorder | 1040Wh UL Certified battery | 500W nominal/900W peak power Torque-sensing motor w/ Throttle | USD 2999 | CAD 3999

    Cloud interface is extremely valuable for owners of both individual bikes and fleets. We are working with a partner on developing this infrastructure so each user can know exactly what the SoC and SoH are and be able to detect anomalies and take necessary action.
  8. Ravi Kempaiah

    Zen Photon Pro- Preorder | 1040Wh UL Certified battery | 500W nominal/900W peak power Torque-sensing motor w/ Throttle | USD 2999 | CAD 3999

    GPS tracking Remote monitoring of battery state of charge Transfer of performance metrics from bike to the cloud
  9. Ravi Kempaiah

    Zen Photon Pro- Preorder | 1040Wh UL Certified battery | 500W nominal/900W peak power Torque-sensing motor w/ Throttle | USD 2999 | CAD 3999

    Some good news! The container vessel arrives late at night tomorrow, and we are still working with shipping agency to plan the unloading and delivery to our location. Also, we want to make sure they don't drop off the container during the holiday, and we can't risk losing a container to some...
  10. Ravi Kempaiah

    Zen Photon Ultra - limited version (Bafang Ultra, Rohloff Speed hub, Gates belt drive)

    Someone posted this on the Rohloff International Group ----------------------------------------------------------------------------- I am extremely satisfied with my custom-built foldable Azub Origami with Rohloff gear in the rear hub and front chainrings 53-39. Now I can ride up on extremely...
  11. Ravi Kempaiah

    Zen Photon Ultra - limited version (Bafang Ultra, Rohloff Speed hub, Gates belt drive)

    This might be useful: https://www.rohloff.de/fileadmin/rohloffde/sonderseiten/ritzelrechner/
  12. Ravi Kempaiah

    Pinion Motor.Gearbox.Unit (MGU)

    We have considered it, and we have approached some relevant people. The Pinion MGU will enter the North American market only in 2025 as they still need to build their service network here and get the products certified to UL standards. Currently, we are testing the Valeo motor. We typically...
  13. Ravi Kempaiah

    New rack

    Hi Barry, We have not yet built the adapter for Racktime systems. Hopefully, it will be ready in a few weeks.
  14. Ravi Kempaiah

    Zen Photon Ultra - limited version (Bafang Ultra, Rohloff Speed hub, Gates belt drive)

    Hi John, The front ring is 55T, and the rear cog is 22 T. If needed we can change the rear cog to 20T. The 22T will last a bit more than 20T because of the larger surface area associated with more cogs.
  15. Ravi Kempaiah

    Zen Photon Ultra - limited version (Bafang Ultra, Rohloff Speed hub, Gates belt drive)

    Hi, I just returned to Canada from an extended trip to Asia. I am just catching up on all emails. Re: Rohloff variations, please take a look here - https://www.rohloff.de/en/products/speedhub/speedhub-variations Basically, the hub internals are the same, and they are all rated for 130Nm, but...
  16. Ravi Kempaiah

    Zen Photon Pro- Preorder | 1040Wh UL Certified battery | 500W nominal/900W peak power Torque-sensing motor w/ Throttle | USD 2999 | CAD 3999

    The original estimate for the vessel's arrival in Canada was the third week of March. However, there are many reports that terrorist attacks on commercial ships in the Red Sea and Indian Ocean have caused congestion at other ports. So, we are now expecting the vessel to arrive in the fourth week...
  17. Ravi Kempaiah

    Zen Photon Pro- Preorder | 1040Wh UL Certified battery | 500W nominal/900W peak power Torque-sensing motor w/ Throttle | USD 2999 | CAD 3999

    Of course, The Photon Ultra is available, and this bike is mostly desired by people who have done sufficient research and are willing to pay a premium for the Rohloff hub. So, the Ultra is available in limited quantities. It does come with a kickstand and integrated front and rear lights.
  18. Ravi Kempaiah

    Evelo Omega vs Zen Photon Pro for next E Bike

    Rohloff has a gear range of 526%, which is quite high and enables climbing very steep hills. You can find the gear ratios here: https://www.rohloff.de/en/service/handbook/speedhub/technical-data
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