What does BBSHD, BBS02 & BBS01 stand for?

Jay91

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I've been trying to figure out what the Bafang drive system names actually mean. What does BBSHD and BBS02 & BBS01 actually stand for on the Bafang motors?
 

Anton

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The Bafang BBS01 is a 500 watt bottom bracket motor system.

The Bafang BBS02 is a 750 watt bottom bracket motor system (the 2nd version after the BBS01).

The Bafang BBSHD is a 1000 watt bottom bracket motor system. It has a slightly different naming protocol. The "H" means High Torque and the "D" means 1000 Watts in this case (from Bafang's production label that is on all of the motors.)
 
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