Techncal Data – Folding Tandem

Steel frame made in our own factory*
Dimensions when folded (all models) 175x60x20cm (with forks removed 140x60x20cm), optionally dismountable with S+S torque coupler
Wheelbase 177,5cm
Rear sub-frame length 40cm
Overall length 227,5cm
Payload 260kg
Step through height 62cm front, 53cm back
Top tube length 56cm front, 78cm back
Weight 19,5kg and upwards
Rider height from 140cm up to 210cm

*Standard dimensions with 47mm width tyres, made-to-measure bikes deviate from these

Models of drive train

8-gear derailleur development 2.45m – 7.13m (48 tooth to 11-32), chain drive with freewheel
8-gear hub development 2.41m – 7.39m (42 tooth to 15), with back-pedal or freewheel (Premium hub)
3×8-gear DualDrive development 1.57m – 8.48m (42 tooth to 11-32), SRAM DualDrive, 8-gear combined 3-gear hub
14-gear hub development 1.68m – 8.85m (42 tooth to 13), Rohloff SpeedHub

Basic Model

Colour 3 coats powder coating (primer, powder colour coating, clear lacquer), standard colour Diamond Black, other RAL colours at extra charge
Suspension rear wheel elastomer suspension
Bearings rear swingarm with self-lubricating, sintered brass bushing
Pedals high-quality ball-bearing type with non-slip rubber surface (optional fold or push-fit pedals)
Brakes Mechanical disc brakes (optional hydraulic disc brakes)
Tyres 20″ Schwalbe Green Compound 47mm, 2-5 bar (others optional)
Wheel rims Aluminium U-profile 24mm 36-hole
Spokes 36 Nirosta, 2mm
Steerer race 1 1/8 inch sealed (Bernds special)
Stem adjustable angle, 1 1/18 inch, different lengths
Handlebars Moon (other handlebars optional)
Seatpost patented, aluminium 29.8mm
Saddle Terry Citta (other saddles optional)


Mudgards black, 55mm SKS Trekking with Bernds special Nirosta stays
Foot stand Hebie 661 (with Bernds special stay)

The Tandem-Family

  • Vimeo

    Mit dem Laden des Videos akzeptieren Sie die Datenschutzerklärung von Vimeo.
    Mehr erfahren

    Video laden