tern GSD S10 – Folding E-BikeThe Tern GSD S10 is enormously useful and surprisingly small. It is equipped with a powerful Bosch drive and offers space for two children as well as the entire week's shopping, carries more than 170 kg and is not even 180 cm long - and thus shorter than a normal pedelec.It fits anywhere a standard bike can. But there are lots of places a standard bike doesn’t fit. That’s why we designed it to pack down to 1/3rd its volume in only 10 seconds. That means you can store your utility bike in your urban apartment, fit it in the elevator, or stash it in a train for weekend getaways. Plus, it adjusts to fit riders from 150 – 195 cm—so mom, dad and the kids can all share it.
Product Features - GSD S10
- Bosch® Performance Line motor with 500 Wh PowerPack - a second PowerPack can be attached
- Magura® MT5 4-piston hydraulic disc brakes
- Custom 62 mm Schwalbe® Super Moto-X tires
- Heavy-duty frame-integrated rack
- Boost thru-axle hubs
- including Cargo Hold Panniers
- Andros stem for handlebar height and reach adjustments
- Folding Size: 173 x 40 x 83 cm
- Max gross vehicle weight: 200 kg (Rider + Bike + Luggage)
- Suggested rider height: 150 - 195 cm
Bosch Motor and Battery
Riding with kids on the back, uphill? No problem. There’s a reason Bosch is the global leader in e-bike systems—and it’s not just their outstanding performance. We work with Bosch because they offer the best service network, remarkable testing, and next-level quality control.
The GSD boasts cargo-bike capacity, despite its city-bike footprint—up to 180 kg (400 lbs.) including rider. Build it up with Cargo Hold Panniers and the Shortbed and Transporteur racks, to carry industrial strength Eurocrates, a week of groceries or a family picnic plus the kitchen sink.
Cargo bikes are most useful in cities (high density of things to see, do and move), but they’re also harder to manage and store (small apartments and bike theft). Most people don’t have space for a cargo bike. We designed the GSD to fit small elevators, so you can keep it indoors. We even designed the rack to let the bike stand vertically, for compact and stable storage.
All Day Battery
The GSD is one of the few bikes equipped with Bosch’s latest Dual-Battery technology. You can connect up to two batteries for a range of over 250km. Tour from dusk to dawn, or commute for weeks on a single charge.
The GSD features a relaxed geometry that puts the rider in an upright, comfortable position. Swept back handlebars and ergonomic grips take a lot of stress off the neck, shoulders, and wrists. You’re also able to see (and be seen) over the tops of most cars, which is a great benefit in traffic. With Bosch power, comfort and performance can coexist.
We use burly and dependable, cutting edge mountain bike technology to make the GSD superlatively strong. Magura 4 piston disc brakes, custom 62 mm Schwalbe Super Moto-X tires, Boost thru-axle hubs, and custom 36 mm wide double-joined rims, provide the rock-solid foundation for a bike spec’d to carry 180 kg.
Low and Steady
The GSD is engineered from the ground up for maximum stability, loaded and unloaded. We designed it with a 125 cm wheelbase—25% longer than standard ebikes—for confident and balanced handling. Thanks to small wheels, a low frame, and centrally mounted motor, the bike boasts an extremely low center of gravity. Altogether, the ride is a revelation.
Safety First (Second and Third)
Cycling is safer when you move at the speed of city traffic. Fast acceleration is a given with a Bosch Performance motor combined with smaller wheels. We’ve developed custom, virtually flat-proof, Schwalbe tires to give sure-footed stability on even the nastiest roads. Add super-bright LED lights, reflective decals, and a see-and-be-seen riding position, and you have a bike optimized for safety.
Parents know that loading kids on and off a bike is tricky business. That’s where the German-made Hebie kickstand comes in. It supports up to 80 kg, with two widely spaced legs for super stable support. So go ahead, breathe easy and use both hands to load (and lock) your precious cargo.
Sell the RV
The GSD is an awesome touring machine. It’s got room for six Ortlieb bags (4 on the rear rack and 2 on the front), and a range of up to 250km. A bit of careful packing lets you bring a full touring load, together with a little passenger. That means two GSDs let a family of four tour the world, no bike trailer required.
The Tern GSD
Owner Briefing for GSD
Frame Tern GSD, 7005-Al, patented MultiTruss design Colour matte black Fork Tern GSD, 1.5" Taper, Boost Thru-axle, 110 mm, 7005-AL Brakes Magura MT5, 4-piston hydraulic disc, 180 mm rotor Brake levers Magura, hydraulic Headset Tern Flux Pro Taper, 1.5", angular contact bearings, Physis integrated Stem Tern Andros (G2), adjustable, forged construction, Tern Physis 3D (G2),3D forged Handlebar Tern Sweep, 27 degrees, 6061-AL, Tern Andros adapted Bar grips Ergon GC10, for swept bar Saddle Tern GSD, with rear handle Seatpost Tern Telescope, 34.9 mm, 2014-AL Crankset Tern GSD custom, forged 6061-AL DH crankarm Bottom bracket Motor integrated Rear derailleur Shimano Deore Shadow+ Gear shifters Shimano Deore, 1 x 10 spd Cassette Shimano 11-36T, 10 spd Chain 10 spd, DHT for eBike, GST corrosion resistant coating Tyres Tern x Schwalbe Super Moto-X, 62-406, Green Guard puncture protection, Reflex Front hub Tern Atlas, Boost thru-axle Rear hub Tern Atlas, Boost thru-axle, Syntace X-12 standard, ebike reinforced design Spokes Stainless steel, 13G Rims Tern Atlas, ultra wide 36 mm, dual reinforced joint Display Bosch Purion, 4 mode selectable, walk assist Battery BOSCH Lithium-Ion with BMS, 36 V, 13,88 Ah, 500 Wh Engine Bosch Performance, 36 V/250 W, max speed 25 kph, max max torque 63 Nm Front light TERN " Valo II", LED, 41 Lux Backlight HERRMANS "H-Trace" Rack Integrated Pedals Urban with non-slip surface, sealed bearings Other details mudguard, chain protection, kickstand Total weight 27,8 kg
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