![]() ![]() This simply means you can be in assist level 3 for example, but if you need more power you can use the throttle to provide full power while in assist level 3 or any level 1-9. Motors are programmed for 9 levels of assistance with throttle providing 100% power in any PAS level 1-9. The motor uses pedal assist sensors (PAS) to help you pedal along and has 9 progressive levels of assistance to meet your desired amount of motor help, or you can use the throttle only and not pedal at all if desired. The motor free wheels and feels like a normal bike when pedaling if the battery runs out, direct drive hub motors have drag and feel like an exercise bike when the battery runs out. Unlike hub motors, the mid drive system utilizes your bicycles rear gears offering much better hill climbing performance. More information on what bikes the motor can fit into is found here. With the proper adaptors it can also fit BB30, PF30, and Shimano Press Fit 41 BB92 with adaptor seen here. You can also ship your BBS02 to me to convert for $599 + $35 for the return shipping, instructions to do that are at then end of this post.Bafang's new super powerful and efficient BBSHD (Bottom Bracket System Heavy Duty) 1000 watt mid drive motor will fit virtually any bike with JIS/BSA standard bottom brackets. That is going to add $620 or more to the cost of your bike ($50 for the tap rental, $499 for the kit plus $35 for the shipping and then another $35 to ship the tool back when you are done). This means that you have to get your BBS02 axle extended in order to fit it to this bike. The biggest disadvantage of the crawler other than the N360 being limited in the power it can take and the weight is that the Crawler has a 100mm bottom bracket like almost every other fatbike in existence. If I can’t destroy it on the road then I will go trailriding with it which will almost certainly kill it. My intention with the new Deadeye build is to start using it for commuting with a higher gear ratio (44T in front) and the controller castrated down to 15Amps then slowly start adding more and more power until I destroy the Nuvinci hub. There seems to be many people using the N360 with the BBS02 on endless-sphere although most of them are commuter builds. That being said the N360 CVT is only rated to 60Nm of force and the BBS02 can easily put out closer to 120Nm of force. I’m betting that the end result will be a 48lb bike that costs around $1000. I’m pretty convinced it will be a great build and the Deadeye means I can use a stock BBS02 without having to swap out the axle which saves me about $535 and 3 hours of work. So what do I think? I just bought a 21″ Deadeye (34lbs stock) for $250 from Bike Island to convert to a 4″ tire fatbike commuter with a N360 nuvinci hub for my birthday. Add an extended axle BBS02 to the Crawler and you’re looking at mid 50lb range and around $2500 total for a BBS02 pre-converted from California-ebike ($1299 + $35 shipping) installed on a Crawler bought on ebay with several of them going for around $1100 right now. 42lbs is the same weight that my singlespeed Deadeye Monster came in at WITH the motor installed. Seems like a decent platform although pretty hefty at a claimed 42lbs, probably for the smallest frame size. Seems like I’ve been getting a lot of emails about the Origin 8 Crawler fatbike with the Nuvinci hub from people wanting to do BBS02 conversions on it. Origin 8 Crawler with a nuvinci CVT hub 42lbs retail at $1500 but going for around $1100 shipped on fleabay. ![]()
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