Not 650b but I think there may be some overlapping interest in this group.
Velo Orange Neutrino mini velo for sale
In great condition
Sparkle black (prototype color - I think only a few of these were ever made)
Size small
Silver VO components + saddle
1x10 Shimano Zee drivetrain
VO crankset 170mm square taper
Avid BB7 disc brakes
Velocity Cliffhanger rims laced to VO hubs
Eclat Fireball tires
VO fenders
MKS pedals
About 500 miles total ridden
Entertaining reasonable offers. No trades.
Located in Brooklyn
Steve