I chose a modern Schwinn Heavy Duti frame for my ORBO 2016 build off.
These frames have many advantages.
1. They are readily available from RRB member ind-chuckz at a reasonable price.
2. These frames use 1 1/8" headsets so you can bolt on standard mountain suspension forks.
3. If you want a multi speed hub and need to mount a rear caliper brake the frame has a seat stay bridge.
4. Frame uses readily available 1" (25.4 mm) seatpost.
Schwinn Heavy Duti Specs
Frame:Schwinn classic cruiser steel
Fork:Schwinn cruiser rigid
Drivetrain
Crank:Classic one piece steel with 44t sprocket
Rear hub:Shimano coaster brake with 20t Cog
Chain:KMC Z410ARB Rust Buster
Wheels:Rims Alloy, 36H Hubs Alloy bolt-on 36H spokes14G stainless
Tires:Classic cruiser 26 x 2.125
Components
Pedals:Wellgo alloy/resin with reflector
Handlebar:Cruiser steel, 25.4
Stem:Alloy quill, 25.4
Headset:1 1/8" threaded
Saddle:Schwinn classic cruiser spring
Seatpost:Steel 25.4 x 300 mm
These frames have many advantages.
1. They are readily available from RRB member ind-chuckz at a reasonable price.
2. These frames use 1 1/8" headsets so you can bolt on standard mountain suspension forks.
3. If you want a multi speed hub and need to mount a rear caliper brake the frame has a seat stay bridge.
4. Frame uses readily available 1" (25.4 mm) seatpost.
Schwinn Heavy Duti Specs
Frame:Schwinn classic cruiser steel
Fork:Schwinn cruiser rigid
Drivetrain
Crank:Classic one piece steel with 44t sprocket
Rear hub:Shimano coaster brake with 20t Cog
Chain:KMC Z410ARB Rust Buster
Wheels:Rims Alloy, 36H Hubs Alloy bolt-on 36H spokes14G stainless
Tires:Classic cruiser 26 x 2.125
Components
Pedals:Wellgo alloy/resin with reflector
Handlebar:Cruiser steel, 25.4
Stem:Alloy quill, 25.4
Headset:1 1/8" threaded
Saddle:Schwinn classic cruiser spring
Seatpost:Steel 25.4 x 300 mm