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2023 Tern

GSD S10

A 20″ aluminum frame long tail cargo e-bike with upper mid-range components and magura mt5 hydraulic disc brakes.
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Manufacturer Price

$4,499
Weight74.0 lbs  
FrameAluminum
SuspensionHardtail, 70mm
ForkSuntour
Wheels20″ Aluminum
Drivetrain1 × 10
GroupsetDeore
MotorBosch 85Nm mid-drive
BatteryBosch 400Wh
BrakesMagura MT5 Hydraulic Disc
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Insights
Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

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Reviews
Cycling Tips
Tern GSD v2 e-cargo bike review: The mini powerhouse, now more refined - CyclingTips

Dec 2022 · James Huang

A host of subtle, but highly functional, updates make an already-fantastic cargo bike option even better.

Highs
  • Ultra-compact size combined with full-sized hauling capability, super broad array of accessories, improved ride and handling, quieter and more powerful motor, great range, generally excellent spec.

Lows
  • Finicky kickstand, 20″ front wheel still makes for somewhat twitchy handling, one-size-doesn’t-really-fit-all.

Read Review

Electric Bike Report
Tern GSD S00 LX Electric Bike Review - First Impressions

Aug 2021 · Sam Gross

In this Tern GSD S00 LX review we discuss with Tern what makes this bike unique, while testing out handling, motor, and brake capabilities.

Read Review

ebiketips
Tern GSD S10 2021

Dec 2020

Verdict: The new updated GSD is still the pick of the bunch, and this is the pick of the specs.

Read Review

Bikerumor
Get even more stuff done with the new Tern GSD G2 electric cargo bike

Aug 2020 · Staff

The new GSD G2 is Tern's new version of its high-in-demand electric cargo bike. Improved features and a new safety standard help you GSD.

Read Review

Bicycling
The New Tern GSD Is the Best-Equipped Electric Cargo Bike

Aug 2020

The revamped bike includes a high-torque motor, suspension fork, brake lights, wheel lock, and other useful additions.

Read Review

Downtown
Tern GSD S00 E-cargo bike in Review

Jul 2020 · Philipp Schwab

Is the Tern GSD S00 E-cargo bike literally living on the edge? Is putting a 115 kg rider on the smallest bike in the test a recipe for disaster? We sent our biggest test rider to check whether this little E-cargo bike is bombproof. Equipped with a dual battery system and two bottles of beer, the little Tern had to show what it's capable of!

Highs
  • Can be stowed anywhere thanks to its compact dimensions, even fitting in the back of an estate!

  • Well thought out concept, standard euro boxes fit the rack perfectly

  • Comfortable tire-rim combination

  • Convenient manoeuvring handle on the saddle

  • Low-slung frame

Lows
  • Limited climbing capabilities due to the limited gear range of the Enviolo Cargo drivetrain

  • Nervous handling, especially without a load

  • Old generation Bosch Performance Line CX motor

  • Wobbly stand that is difficult to fold out

Read Review

Specs
Build
Frame

Tern GSD, 6061-AL, patented MultiTruss design, EFBE Tri-Test approved: 200 kg

ColorsBeetle Blue; Satin Black

Fork

Suntour custom for Tern, 1.5" tapered Chromoly steerer, 32 mm stanchions, Thru-axle, 70 mm travel, EFBE approved: 200 kg

Travel70mm

Bottom Bracket

Motor integrated

Headset

Tern Flux Pro Taper, 1.5", angular contact bearings, Physis integrated

Stem

Tern Andros, adjustable, forged construction, patented technology

Handlebar

Tern Sweep, 6061-AL, Tern Andros adapted

Saddle

Tern GSD by Velo, with rear handle

Seatpost

Tern Telescope, 34.9/30.9 mm, 2014-AL

TypeRigid

Pedals

Urban with non-slip surface, sealed bearings

Groupset
Rear Derailleur

Shimano Deore Shadow+

Crank

Tern GSD custom, forged 6061-AL DH crankarm

Shifters

Shimano Deore, 1 x 10 spd

Cassette

Shimano 11-42T, 10 spd

Chain

10 spd, DHT for eBike, GST corrosion resistant coating

Chain Guide

Tern Custom, full chain cover

Brakes

Front: Magura MT5, 4-piston hydraulic disc, 180 mm rotor, Sport pads, Rear: Magura MT5, 4-piston hydraulic disc, 180 mm rotor, Sport pads

TypeMagura MT5 Hydraulic Disc

Brake Levers

Magura MT5 e-stop, hydraulic, with brake sensor

Wheels
Rims

Tern Atlas, ultra wide 36 mm, dual reinforced joint

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

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

Electric Components
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

Charger

220V, 4A (EU); 100-240V, 4A (US)

Accessories
Lights

Front: Tern Valo Direct, 190 lumens, Rear: RearStop Brake Light, Always on brake light

Fenders

Integrated Wheel Guard, AL6061, w/ Side Skirt

Racks

Combo Mount

Bell

Pitch Plus, brass

Rider Notes
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First added February 27

Last updated July 16

Not listed for 627 days