Thread: BMW i patents innovative eBike drive unit swing arm
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      07-29-2015, 09:03 AM   #18
atg4
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Drives: F30
Join Date: Jun 2012
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Quote:
Originally Posted by DriveHard View Post
Wait. Look it has a timing belt as a drive belt to the rear wheel.

I guess they learned there lessons about CHAINS!!!!

Nice looking bike though!
I fail to see the lesson here...
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