GSD S10

GSD S10

Enormously Useful. Surprisingly Small.
  • 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
Photo may show optional accessories.
Beetle Blue
Mango
Orange
Silver-Blue
20" wheels
Electric
Top-Tier

Tern’s power and 400-pound capacity make it as useful as a small truck.

Bicycling

Product Reviews

Bicycling

One bike outworks and outperforms the rest: the Tern GSD.
Read more

Bicycling

The GSD gets people excited about bikes, and that’s the most exciting use of all.
Read more

aktiv Radfahren

Kompaktgenie.

[Compact genius.]

The Red Bulletin

Dieses Bike hat ungeahnte Kräfte

[This bike has unimagined powers]

BikeBiz

The Tern GSD is nicknamed the car killer, and I now understand why. It is the most useful thing I’ve ever owned.

MY BIKE e-bike Katalog 2019

Die Bauweise hat handfeste Vorteile: Der kleine Rahmen ist supersteif, die 20-Zoll-Laufräder sind es ebenfalls.

[The design has tangible advantages: The small frame is super stiff, and so are the 20-inch wheels.]

Bicycling

Epic day-tripper

Read more

Momentum Magazine

It’s like riding on a magic carpet, a sexy blue cargo carrying magic carpet. It’s so nice and smooth that I forgot what I was riding.

Read more

Forbes

Some months later and his £4,000 Tern GSD has proved to be the ‘most useful thing I’ve ever, ever owned.
Read more

Adventure Cyclist

In other words, the GSD is capable of just about anything you’d normally use your car for, short of towing a speedboat.


Specifications

General Info
Color:
Beetle Blue
Mango
Orange
Silver-Blue
Wheel Size:
20" wheels
Speeds:
1 x 10
Weight:

27.06 kg (59.66 lb) w/ 1 battery

Folding Size:
173 x 40 x 83 cm (71" x 16" x 33”)
Folding Time:
5 sec
Frame Sizes:
181 cm (Total Length)
Gear Inches:
29" - 95" (2.31 - 7.57 m)
Distance: Seatpost to Handlebar:
Min: 490 mm (19.3") Max: 560 mm (22")
Distance: Saddle to Pedal:
Min: 690 mm (27.2") Max: 1120 mm (44.1")
Suggested Rider Height:
150 - 195 cm (4'11" - 6'5")
Max Gross Vehicle Weight:
200 kg (440 lb), includes bike, rider, cargo, and accessories
Max Rider Weight:
200 kg (440 lbs)
Frame
Frame:
Tern GSD, 7005-Al, patented MultiTruss design
Fork:
Tern GSD, 1.5" Taper, Boost Thru-axle, 110 mm, 7005-AL
Cockpit
Handlepost:
Tern Physis 3D (G2), 3D forged, 5 patented technologies, 12°, 290 mm
Stem:
Tern Andros (G2), adjustable, forged construction, patented technology
Headset:
Tern Flux Pro Taper, 1.5", angular contact bearings, Physis integrated
Handlebar:
Tern Sweep, 27 degrees, 6061-AL, Tern Andros adapted
Grips/Bar Tape:
Ergon GC10, for swept bar
Saddle:
Tern GSD, with rear handle
Seatpost:
Tern Telescope, 34.9 mm, 2014-AL
Brakes
Front Brake:
Magura MT5, 4-piston hydraulic disc, 180 mm rotor
Rear Brake:
Magura MT5, 4-piston hydraulic disc, 180 mm rotor
Brake Levers:
Magura, hydraulic
Wheels
Front Hub:
Tern Atlas, Boost thru-axle
Rear Hub:
Tern Atlas, Boost thru-axle, Syntace X-12 standard, ebike reinforced design
Spokes and Nipples:
Stainless steel, 13G
Rims:
Tern Atlas, ultra wide 36 mm, dual reinforced joint
Tires:
Tern x Schwalbe Super Moto-X, 62-406, Green Guard puncture protection, Reflex
Transmission
Shifter(s):
Shimano Deore, 1 x 10 spd
Rear Derailleur:
Shimano Deore Shadow+
Crankset:
Tern GSD custom, forged 6061-AL DH crankarm
Cassette/Freewheel:
Shimano 11-36T, 10 spd
Bottom Bracket:
Motor integrated
Chain:
10 spd, DHT for eBike, GST corrosion resistant coating
Pedals:
Urban with non-slip surface, sealed bearings
Shifter Cable & Housing:
Jagwire LEX-SL, slick treatment, alloy ferrules
E-System
Motor:
Bosch Performance, 36 V/250 W, max speed 25 kph (EU); max speed 20 mph (US), max torque 63 Nm
Battery:
Bosch Dual Battery system, 400wh/500wh/900wh
Display:
Bosch Purion, 4 mode selectable, walk assist
Range:
400 Wh: 50-110 km (31-68 mi), 500 Wh: 60-140 km (37-87 mi), 900 Wh: 110-250 km (68-155 mi)
Bells & Whistles
Bell:
Aluminum
Chainguard:
SKS Chainblade
Kickstand:
Heavy-duty double stand, 80 kg capacity
Luggage Socket:
Combo Mount
Front Light:
Tern Valo Direct, integrated, 41 lux/150 lumens
Rear Light:
Herrmans H-Trace, for eBike
Fenders:
SplashGuard, stainless hardware
Rack(s):
Frame integrated, heavy duty design