Schlumpf High Speed Drive and EZ Shift Levers - Trike Show - 04/20/15
3:45
The Schlumpf Drives - Add Huge Gear Range to Your Trike - Mountain & High Speed Drives | Utah Trikes
9:19
Schlumpf High Speed Drive installation
11:01
These Gearbox Folding Bikes Will Blow Your Mind (Custom Bromptons!)
2:08
Schlumpf High Speed Drive (HSD) presented by Utah Trikes
6:34
SCHLUMPF SPEED DRIVE | MILLING and INSTALLATION
3:47
Must Carry Gadget Items for Recumbent Trike(Bike) Tour
19:36
Recumbent Trike Maintenance Workshop
17:57