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    Front & rear chain ring sizing for BBS01 Install

    Hello Dewey, I appreciate you taking the time to reply.. I have found your info very useful.. I have done some further investigation, and found that "the Alfine eight-speed IGH gear range is more than enough for regular town and country use. With a 20-tooth sprocket on hub, this approximately...
  2. R

    Front & rear chain ring sizing for BBS01 Install

    Hello and thanks for your reply. I had originally set out to retain the belt drive and had purchased the adapter for the front sprocket, but when i installed the mid-drive unit, the chain line was out by approx 7mm, and as I had no spacers to remove between the drive side of the motor and the...
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    Front & rear chain ring sizing for BBS01 Install

    I have a Focus Urban with an Alfine 8 speed IGH, and it is fitted with a Gates Belt drive. When i install my BBS01, I need to change over the rear sprocket for a standard chain drive.. I know the front chain ring on the BBS01 is a 46T, but i am thinking to replace this with a RaceFace narrow...
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