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Tern GSD S10 LR (Gen 2) in Black

Regular price  £4,700.00 Sale price  £3,995.00

Main specification

  • Derailleur Shimano Deore 10S
  • Gears 10
  • Drivetrain type Chain
  • Brakes Magura Magura MT5, 4-piston hydraulic disc, 180 mm rotor, Sport pads, Hydraulic disc brake
  • Fork/Shock model Suntour custom for Tern, 1.5" tapered Chromoly steerer, 32 mm stanchions, Thru-axle, 70 mm travel, EFBE approved: 200 kg
  • Wheel size 20"
  • Weight (kg) 33.58

Drive system

  • Drive unit Bosch Cargo Line (BDU450CX)
  • Battery Bosch PowerPack 400 or Dual Battery System (900)
  • Battery capacity (Wh) 400
  • Display Purion (BES2)
Frame Size

The Tern GSD is a compact powerhouse designed to haul heavy loads easily. With a 200 kg capacity, it can replace your car for school runs, grocery trips, or heavy cargo while being the same length as a regular bike. The Tern GSD, or “Get Stuff Done,” makes life simpler and more enjoyable. It helps you live sustainably, stay active, and have fun getting around. Dual-battery technology allows for all-day riding, and vertical parking makes storage a breeze.
The Tern GSD is built for the whole family. It adjusts easily and fits riders from 150 to 195 cm (4'11" to 6'5"), so everyone can use it. A full range of accessories lets you transport kids, dogs, shopping, or even a second adult in any weather. Its low center of gravity and stable design make heavy loads feel light, so you can carry everything without breaking a sweat.


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Family with children on a cargo bike in an urban setting

Tern GSD Carries Your Family


Whether you're doing the school run, going to the park, or planning a night out, the GSD has you sorted. Begin with two child seats for the little ones. As they grow, switch to the Clubhouse. When they're older, they can even take a turn riding along—it's that simple to share. And for date night? The Captain’s Chair turns your ride into a comfy cruiser for tw

Man with a teal electric bike in a park

Tern GSD is Cargo-Ready

The GSD is built to carry more than just you or your family. It's perfect for your daily adventures. With smart add-ons for various cargo, you can load up without fear of shifting or tipping. No matter, shopping, DIY tools, or garden centre finds, Tern GSD will fit it all. Suddenly, you realise that the bike is your go-to for much more than commuting.

Person riding a electric bike with two children in a park-like setting.

Tern GSD is build to Year-Round Riding

No one enjoys a soggy school run, especially the kids. That’s where the Clubhouse Fort comes into play. It transforms the GSD into a comfy, weather-ready ride. Your little passengers will stay warm, dry, and much happier, no matter the season.

Person loading a yellow bike into the trunk of a blue car on a sunny day.

Easy to Transport

The GSD is made to replace your car for most trips. But when you need both, it’s ready to go. It folds down in seconds to about a third of its size. You can easily pop it into the back of a minivan or small SUV—no big bike rack is needed. You can even fit two!

Man using a laptop on a couch in a living room with a bicycle in the background

Small-Space Friendly

Bikes can be a pain to store, especially when space is limited or you have an elevator. The GSD solves this issue by parking upright. It takes up no more space than a large houseplant. This feature makes it a game-changer for apartment living and small homes.

Detailed information

Category General Info
Speeds 1 x 10
Weight 33.58 kg (74 lb)
Gear Inches 26 - 99 (2.08 - 7.91 m)
Frame Sizes One size
Folding Size 176 × 40.5 × 83 cm (69.3 × 15.9 × 32.7 in)
Folding Time 5 sec
Distance: Seatpost To Handlebar 49 - 59 cm (19.3 - 23.2 in)
Distance: Saddle To Pedal 69 - 105 cm (27.2 - 41.3 in)
Suggested Rider Height 150 - 195 cm (59.1 - 76.8 in)
Max Gross Vehicle Weight 200 kg (440.9 lb)
Max Rider Weight 120 kg (264.6 lb)
Category Frame
Frame Tern GSD, 6061-AL, patented MultiTruss design, EFBE Tri-Test approved: 200 kg
Fork Suntour custom for Tern, 1.5" tapered Chromoly steerer, 32 mm stanchions, Thru-axle, 70 mm travel, EFBE approved: 200 kg
Category Cockpit
Handlepost Tern Physis 3D, 3D forged, 5 patented technologies, 12°, 290 mm
Stem Tern Andros, adjustable, forged construction, patented technology
Headset Tern Flux Pro Taper, 1.5", angular contact bearings, Physis integrated
Handlebar Tern Sweep, 6061-AL, Tern Andros adapted
Grips/Bar Tape Ergon
Saddle Tern GSD by Velo, with rear handle
Seatpost Tern Telescope, 34.9/30.9 mm, 2014-AL
Seatpost Clamp Tern Collar, 6061-AL, 2pc
Category Brakes
Front Brake Magura MT5, 4-piston hydraulic disc, 180 mm rotor, Sport pads
Rear Brake Magura MT5, 4-piston hydraulic disc, 180 mm rotor, Sport pads
Brake Levers Magura MT5 e-stop, hydraulic, with brake sensor
Category Wheels
Front Hub Tern Atlas, Boost Thru-Axle, Cargo-optimized design, sealed cartridge bearing
Rear Hub Tern Atlas, Boost Thru-Axle, Syntace X-12 standard, Cargo-optimized design
Spokes & Nipples Stainless steel, 13G
Rims Tern Atlas, ultra wide 36 mm, dual reinforced joint
Tires F: Schwalbe Big Ben Plus, 55-406, Green Guard puncture protection, Reflex; R: Tern x Schwalbe Super Moto-X, 62-406, Green Guard puncture protection, Reflex
Category 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 11-42T, 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
Category E-System
Motor Bosch Cargo Line, 400% Assist, 85 Nm Torque, max speed 25 kph (EU); max speed 20 mph (US)
Battery Bosch Dual Battery system, 400 Wh/900 Wh
Display Bosch Purion, 4 mode selectable, walk assist
Range 400 Wh: 42-85 km (26-53 mi); 900 Wh: 97-195 km (60-121 mi)
Charger 220V, 4A (EU); 100-240V, 4A (US)
Category Bells & Whistles
Bell Pitch Plus, brass
Chainguard Tern Custom, full chain cover
Kickstand Atlas Lockstand, w/ remote unlock, patented technology
Luggage Socket Combo Mount
Front Light Tern Valo Direct, 190 lumens
Rear Light RearStop Brake Light, Always on brake light
Fenders Integrated Wheel Guard, AL6061, w/ Side Skirt
Rack(S) Frame integrated, heavy duty design; Max load weight: 100 kg (220 lb)
Accessory ABUS, keyed-alike with Bosch battery