It's amazing how much faster the #bikefriday tandem is with the fixed-geared #grinmac motor (max speed 22mph, maybe needs a field-weakening adjustment) vs the #supercargo with 350W 13mph assist w/clutch. No stoker/passenger, mostly downhill, but up Terwilliger to Condor, up Ankeny to the 20s […]
Original post on urbanists.social
urbanists.social
October 17, 2025 at 9:05 PM
It's amazing how much faster the #bikefriday tandem is with the fixed-geared #grinmac motor (max speed 22mph, maybe needs a field-weakening adjustment) vs the #supercargo with 350W 13mph assist w/clutch. No stoker/passenger, mostly downhill, but up Terwilliger to Condor, up Ankeny to the 20s […]
@HayiWena 😀 aw, shucks, that old thing? 😆 I got the regen braking motor for a 2nd motor on the #umbrellabike, but 2/3 passengers were a "very No" on riding in the front bucket/canopy, so I scrounged this #bikefriday up off of craigslist and gave it that #grinmac so it wouldn't burn through rims […]
Original post on urbanists.social
urbanists.social
April 5, 2026 at 5:13 AM
@HayiWena 😀 aw, shucks, that old thing? 😆 I got the regen braking motor for a 2nd motor on the #umbrellabike, but 2/3 passengers were a "very No" on riding in the front bucket/canopy, so I scrounged this #bikefriday up off of craigslist and gave it that #grinmac so it wouldn't burn through rims […]