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I did have a few minor gripes. The instructions could have covered the entire build, not just fitting the motor. The design of the display remote meant I found it difficult to select the information button without accidentally changing the assistance level and I noticed, if you accidentally have your foot on the pedal when you turn the unit on, it seems to mis-calibrate its torque sensitivity and you end up with little or no assistance.
Bosch only uses mid-drive motors for their mid-drive E-bike systems, which include three sensors that measure speed, cadence, and pedal power and a smart system that connects an E-bike’s components with digital functions (Image: Bafang 33). Bosch Mid Drive Kit OSF performs very well right out of the box. Still, suppose you want to make adjustments like changing the power performance on each level or increasing the torque sensitivity. In that case, OSF gives you many configuration options to make it exactly how you want it.The setup follows the same principles as most front-wheel e-bike conversions. First you need to set up the wheel with a disc rotor, tire and inner tube and install that into the bike. Then attach the cadence sensor – so it can tell when you're pedalling and need assistance – then attach the battery and the LCD display and you're essentially good to go! Bafang makes the BBS01/02 motor in a 250-watt, 350-watt, and 500-watt mid-drive configuration, but at Electrify Bike Co., we only carry the BBS02 750-watt. Why is that? The 250-watt and 350-watt motors are primarily for countries with e-bike laws limiting the maximum watts to those wattages. In the USA, the e-bike watt limit is 750 watts, so the Bafang BBS02 kit is perfect. For some bikes, customers, and riding conditions where less power is desirable, the 500-watt motor makes more sense. But the 500-watt motor is the same price as the 750-watt motor, and we can configure the 750-watt motor to be a 500-watt motor when needed. A 750-watt motor can become a 500-watt motor when 750 watts is too powerful for the bike or the rider. A 750-watt motor will also last longer when run at the lower wattage. Whereas the TSDZ2 uses a torque sensor, the Bafang uses a cadence sensor, giving the motor an on/off feel. The Bafang is much quieter, almost silent. But it’s heavier, more expensive and just as prone to technical faults. For more information, please read my Bafang vs. Tongheng comparison article. Pros and Cons Pros The average top speed of the Bafang 1000W is around 35 miles per hour and the motor will hold steady at 20mph on an incline. Bafang 1500w Mid Drive Kit
This is great, you control the bike very much like a normal bike and it gives the impression that you have bionic legs. This versatile motor fits most frame types, including fat bikes and some carbon frames. It can be set up as a class 1, class 2, or class 3 ebike from 250 to 750 watts. Off-road modes go from 750 to over 1,000 watts. Mid drive motor is this model (tsdz2 tongsheng 48V 500W or 750W 42T VLCD5 TSDZ2 electric bicycle mid motor with torque sensor throttle e-brake lever
To find out the current chainline, measure the distance between the middle of the seat tube (it's also the middle of the bike) to the chainring's teeth. The Tongsheng TSDZ2 motor is available at different power levels. At a voltage of 36V, the options are: 250W, 350W, and 500W. At a voltage of 48V, the options are: 500W and 750W. Beyond the financial and practical element, the question of 'is it worth it' will also depend on the amount of use you get out of it. E-bikes can be incredibly motivating and enjoyable and if converting your standard bike to electric helps you to ditch the car on a regular basis, then the answer becomes clear. The battery is generally included in the complete Bafang 1000W mid-drive E-bike kits, with replacements available from Bafang as well. Bafang 1000w Top Speed You may also need a drill, 6.5mm drill bit if you need to install a couple of M5 rivnuts on the downtube to secure the battery cradle.
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