E.1.6.1. Brompton - torque lever - schlumpfdrive - ultraflat Planetary Gear for Bikes
Freedom Folding Bikes - LOOK - A 12-Speed Brompton! I just completed an ATS/ Schlumpf drive conversion on Suretta's Brompton. This is a 2-speed bottom bracket that is shifted from low to high
Titanium Brompton with Disc Brakes and Schlumpf Drive - YouTube
Schlumpf High Speed Drive voor Brompton - Vlerick Fietsen
Clever Cycles - Bosswave Schlumpf Speed Drive makes your six speed #brompton a twelve speed with the gear range of most touring bikes. Demo available for test rides. | Facebook
high speed drive - schlumpfdrive - ultraflat Planetary Gear for Bikes
high speed drive - schlumpfdrive - ultraflat Planetary Gear for Bikes
Brompton Drive Schlumpf Compatible 40T/56T Chainring w Cover BCD130 (H&H)