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Wow, that’s not so stupid! It’s a great idea, to increase and combine effort, or when the two riders do not have the same level of fitness, with children, with a trailer, to go further, to bomb uphill (because everyone knows that a tandem it bombs along; especially on the flat).
1st challenge: the motor…
Put it at the front, easy? but it’s impossible to synchronize the cranks due to the motor freewheel so, forget that if you want to maintain a decent ride. Therefore we decided to put it at the rear but we had to innovate! So we created a unique interface and special cranks to link the front and rear cranksets despite the motor being at the back.
2nd challenge: the stiffness!
Fortunately we already have our triple cavity tubes that have made our task easier!
3rd challenge: the range.
And for this we can thanks Bosch who have developed a DualBattery wire to safely connect 2 batteries in order to get an incredible capacity of 1000 Wh! The system intelligently manages power between the two batteries during charging and discharging, which increases their lifetime.
Bosch PowerPack Li-Ion 36V 13.4Ah (500Wh) x2
|Battery Capacity (Watt hours)||
4 pistons 200/200, Magura MT5 hydraulic disc brakes
Front: 175 mm, Moustache forged alloy cranks specific for Tandem, Rear: 170mm, synchronized – 14T motor cog (=35) – Timing chainrings narrow/wide 36T
Bosch Intuvia (centrally mounted; detachable)
14×11/46, more range!, Shimano XT 11 speed, super wide capicity
RockShox Yari RC 140mm – Motion Control – Solo Air – 27.5 Plus – 15mm Boost
6061 T4 T6 alloy – Extruded variable thickness hydroformed tubes – Rear motor – Tapered head tube – 27.5 Plus – Boost
5 years frame and fork – 2 years motor, battery (or 500 cycles) and accessories
Front: Alloy 760 mm – Rize 25 mm – Stem 55 mm – Rear: Alloy 680 mm – Rize 25 mm – Adjustable stem 155/200.
Alloy CNC with industrial bearings – Boost – Front: 15×110 mm – Rear: 12x148mm
|Max. Torque (Nm)||
Bosch Performance Line CX (75Nm) 36V / 250W
Alloy, wide plateform
Exclusives Moustache 27.5" – 35mm – Asymmetric – Double wall alloy – Welded – Compatible with tubeless (with flap) – 32 holesT
Velo ergonomic saddle
2 post shim converter, 2 x 350 + 31, 6/27, 6×350 – Rear: Suntour NCX – Super comfortable alloy suspension parallelogram – 27, Front: alloy 31
Shimano Rapidfire 11V
MAXXIS REKON 27.5×2.8 – Tubeless Ready – Dual density – Exo protection
rear carrier and mudguards, Touring : Schwalbe SuperMoto-X tires 27.5x 2.35
29, 9 kg
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