Not sure if this has been posted before but thought it might be of some use to someone building a bec middy.

http://www.westgarage.co.uk/chaindrive/chaindrive1.html

NTDWM.

Cheers Mike

i bought his sprocket for my middy .the trick is to machine the bearing flanges down to accept a cheap bearing as the sierra size is very expensive in a sealed version .

quote:

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Originally posted by quadra
Not sure if this has been posted before but thought it might be of some use to someone building a bec middy.

http://www.westgarage.co.uk/chaindrive/chaindrive1.html

NTDWM.

Cheers Mike

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