The guy looks like he was a bit of a nutcase (check out the pics), but he knew his stuff.
i have been there but it lacks the specifics that would tell me which descriptions as seen here or below would tell if the microdrive sprocket would fit.
Wheel Master Rear Bicycle Wheel 20 x 1.75 36H, Alloy, Bolt On, Black
Regular Price:
$28.05
You Pay:
$20.93
9 posted on 07/15/2014 4:56:33 PM PDT by daniel1212
(Come to the Lord Jesus as a contrite damned+destitute sinner, trust Him to save you, then live 4 Him)