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The GSD takes the family electric cargo bike to a whole ‘nother level. Smarter than ever and packing even more muscle with a re-engineered frame that handles a max gross vehicle weight of 200 kg.
The GSD takes the family electric cargo bike to a whole ‘nother level. Smarter than ever and packing even more muscle with a re-engineered frame that handles a max gross vehicle weight of 200 kg.
Tern

Tern GSD S10 LX 500wh Performance CX Electric Cargo Bike 2025 in Gloss Beetle Blue

£4,679.00 £5,200.00 10% off
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Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

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With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

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Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined
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In the unlikely event that you are not satisfied with your purchase please feel free to return your items within 90 days of the purchase date for a full exchange or refund. Any item (excluding food, underwear or e-gift vouchers) can be returned to us for any reason within 90 days, provided that the item has not been used or fitted and is returned in its original packaging with valid proof of purchase.

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Online or in-store purchases can be returned to any of our 12 stores free of charge or can be returned by post or courier at your cost after completing the online returns form below. If you are returning an item due to a fault, we will refund your postage costs.

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If you wish to return a bike or bulky item to us, please keep the box it arrived in and let us know by contacting our support team via our online webchat, email or by phone (020 45063856) and we will help arrange a collection.

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Terms & Conditions

Items must be returned in their original packaging and unused. Refunds will be issued once the product(s) have been received and inspected.

Click & Collect customers can buy with confidence knowing that they can review the item before deciding whether it is right for you before leaving the store. Should you decide it's not right for you, it can be conveniently exchanged or refunded straight away, or you still have up to 90 days to return it if you are still unsure.

Please note:
1. If the items we have sent you are faulty, damaged or not as we described, we will cover the cost of collection and the delivery of the correct item.

2. If we have delivered the correct bike but upon inspection, you decide the bike is not the one for you, we will charge you £50 for collection (£100 from Northern Ireland). If you do not have the original box in usable condition, we will charge you an additional £15 to provide one.

Refunds will be processed using the same method of payment used for the original purchase. Credit & debit card refunds must be made to the card used for the original purchase.

We are unable to offer a refund without a valid proof of purchase.

Tern GSD S10 LX 500wh Performance CX Electric Cargo Bike 2025 in Gloss Beetle Blue

Season:2025Sale

Brand:Tern

Code:812741027525

The Tern GSD 10 is a terrific bike for everyday life. A compact miracle on small wheels. 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. The GSD is designed to be shared by a family. It adjusts to fit mum, 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.

The GSD 10 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. Tern have developed custom, virtually flat-proof, Schwalbe tyres 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 GSD's let a family of four tour the world, no bike trailer required.

Key Features & Benefits

  • Tern GSD 7005 series aluminium frame:make the GSD an extremely versatile and adaptable bike.
  • Bosch Performance, 36 V/250 W Motor:Provides the all important assistance when the GSD is fully laden.
  • Magura MT5, 4-piston hydraulic disc brakes:Provide all of the stopping power you will need if laden to the 200 kg limit through the 180mm rotors.

Full Specification

  • Frame:Tern GSD, 7005-Al, patented MultiTruss design
  • Fork:Suntour custom for Tern, 1.5" tapered Chromoly steerer, 32 mm stanchions, Thru-axle, 70 mm travel, EFBE approved: 200 kg
  • Motor:Bosch Cargo Line, 400% Assist, 85 Nm Torque, max speed 25 kph
  • Battery:Bosch Dual Battery system (500/1000 Wh) for a range of up to 206 km (128 mi)
  • Controller:Bosch Purion, 4 mode selectable, walk assist
  • Number of Gears:10
  • Gear Shifters:Shimano Deore, 1 x 10 spd
  • Chainset:Tern GSD custom, forged 6061-AL DH crankarm
  • Chainrings:Not Available
  • Rear Cassette:Shimano 11-36T, 10 spd
  • Chain:10 spd, DHT for eBike, GST corrosion resistant coating
  • Front Derailleur:N/A
  • Rear Derailleur:Shimano Deore Shadow+
  • Bottom Bracket:Motor integrated
  • Pedals:Urban with non-slip surface, sealed bearings
  • Rims:Tern Atlas, ultra wide 36 mm, dual reinforced joint
  • Front Hub:Tern Atlas, Boost thru-axle
  • Rear Hub:Tern Atlas, Boost thru-axle, Syntace X-12 standard, ebike reinforced design
  • Front Tyre:Schwalbe Big Ben Plus, 55-406, Green Guard puncture protection, Reflex R
  • Rear Tyre:Schwalbe Super Moto-X, 62-406, Green Guard puncture protection, Reflex
  • Brakes:Magura MT5, 4-piston hydraulic disc, 180 mm rotor
  • Handlebars:Tern Sweep, 27 degrees, 6061-AL, Tern Andros adapted
  • Handlebar Tape:Ergon GC10, for swept bar
  • Headset:Tern Flux Pro Taper, 1.5", angular contact bearings, Physis integrated
  • Stem:Tern Andros, adjustable, forged construction, patented technology
  • Saddle:Tern GSD, with rear handle
  • Seatpost:Cane Creek Thudbuster G4, Tern Telescope, 34.9/30.9 mm
  • Accessories:Ignis Headlight, Ultra wide 700 lumens front light. RearStop Brake Light, Always on brake light. Integrated Wheel Guard, AL6061, w/ Side Skirt mudguards. V. Frame integrated, heavy duty design rack. ABUS, keyed-alike with Bosch battery.
  • Weight:33.58 kg (74.03 lb) w/ 1 battery
  • Notes:Cargo bikes are available for click and collect in store or via Balfe's Bike personal home delivery service in local postcodes.

Manufacturers reserve the right to change specifications without notice based on availability at the point of assembly.

Balfe's are offering an exclusive Bundle to go with your Tern GSD
To Fully Equip your GSD with a rain cover for your passengers, you can buy everything you need for the Clubhouse Fort here (opens in new tab)



With a 200 kg (440 lb) Maximum Gross Vehicle Weight, the GSD is ready to replace your car. It’ll let you carry two kids plus groceries, or a whole lot of cargo—but it’s the same length as a regular bike. Built-in dual-battery technology lets you ride all day, while space-saving features like FlatFold and Vertical Parking make the GSD incredibly easy to own and use.

The GSD has an adjustable cockpit that resizes in seconds and without tools to fit riders 150 – 195 cm tall (4’11” – 6’5”), so you can easily share it with your family. The updated frame geometry with a slacker seat tube angle and higher handlebars also means the GSD doesn’t just fit—it’s more comfortable too.

Explore Terns recommended accessories here (opens in new tab), or find the entire line of compatible accessories for your Tern bike with theCompatibility Checker.

Warranty Information for Tern:

For Bosch Electrical components, see Bosch website, in general motors and batteries have a 2 year warranty.
Tern bicycles are sold on behalf of “Tern” by selected Authorized Tern Dealers who understand the assembly and service needs of our products. Tern provides a warranty against defects in materials and workmanship to the original retail purchaser (“Owner”) of a Tern bicycle from the date of purchase according to the following terms:

  • Five Years:All Frames, Handleposts, and Forks developed by Tern.
  • One Year:All Tern or BioLogic branded parts and components, except as noted below.
  • Other:All other parts or components, including third-party Handleposts and Forks, are covered by the stated warranty of the original manufacturer of that part or component.

For full warranty policy please visit ternbicycles.com

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