Tern GSD S10 Compact Utility 2019 - Electric Hybrid Bike
The GSD is designed to carry two kids, a week’s worth of groceries, or 180 kg of cargo, but it’s only 180 cm long—the same length as a standard bike. With Tern’s best-in-class folding technology, it packs down small enough to fit in a VW Touran or an urban apartment. Plus, it adjusts to fit riders from 150 – 195 cm—so mom, dad and the kids can all share it.
Despite everything it can haul, the GSD is actually the same length as a regular bike, so 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.
Carries the Family - With room for up to two Thule Yepp Maxi child seats, plus grocery space to spare, the GSD lets you ditch the minivan. The low step-thru frame makes getting on and off much safer, and with an extra low center of gravity, the GSD is stable and steady.
Fits the Whole Family Too - Minivans don’t come in S, M, L & XL to fit the driver, so why do bicycles? The GSD is designed to be shared by a family. It adjusts to fit mom, dad or the kids—any rider from 150 – 195 cm. Best of all, thanks to Tern’s adjustable stem, and compact geometry, adjusting the bike only takes seconds.
Carry More - 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.
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.
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.
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.
Key features:
- Bosch® Performance Line motor
- Bosch dual-battery system (400/500/900 Wh) for a range of up to 220 km
- Magura® MT5 4-piston hydraulic disc brakes
- Custom 62 mm Schwalbe® Super Moto-X tires with puncture protection
- Heavy-duty frame-integrated rack
- Boost thru-axle hubs
- Wide range of accessories, including the Cargo Hold Panniers
- Andros stem for handlebar height and reach adjustments
- Fits two Thule Yepp Maxi child seats, or one Thule Yepp Nexxt Maxi seat—no adapters needed
Occasionally, without notice, manufacturers change product design and/or specifications.
Electric Bike Bike Size Chart
Height |
e Bike Size |
e Road Bike Size |
e Mountain Bike Size* |
4’8” – 5’1” 143 – 155 cm |
XXS |
44 cm |
13” (33 cm) |
5’1” – 5’4” 155 – 163 cm |
XS |
48 cm |
15” (38 cm) |
5’4” – 5’7” 163 – 170 cm |
S |
51 cm |
16” (41 cm) |
5’7” – 5’10” 170 – 178 cm |
M |
54 cm |
18” (46cm) |
5’10” – 6’0” 178 – 183 cm |
L |
56 cm |
19” (48cm) |
6’0” – 6’3” 183 – 191 cm |
XL |
58 cm |
20” (51 cm) |
6’3” – 6’5” 191 – 196 cm |
XXL |
60 cm |
21” (53 cm) |
6’5” – 6’9” 196 – 205 cm |
XXXL |
62 cm |
22” (56 cm) |
* Mountain bikes are sized differently to road bikes. Typically, they are sized in inches as the first MTBs were produced in the USA. European brands like Lapierre and Haibike like to use centimeters for all their bikes. The measurements of their mountain bikes doesn’t match their road bikes but is like a simple conversion from the inches measurement. This is why we have included cm measurements in brackets for the e mountain bike column.
See our bike size guide for more on bike sizing
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