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Tern HSD S8i eBike

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The Tern HSD S8i folding electric bike is mighty but mini. It’s easy to handle, easy to share, extremely comfortable to ride and carries a whole lot of cargo. All of this in a compact design that’s shorter than a standard bicycle.

Whether you’re riding, storing, or moving it around, the Tern HSD is a breeze to handle.

Fifteen seconds and the HSD transforms into a flat package that's perfect for fitting into SUVs, station wagons, or bus storage compartments. Despite its diminutive stature, the HSD is a mid-sized cargo bike with some serious hauling capacity. With a maximum gross vehicle weight of 170 kg (374 lb) and an XL-sized Atlas H Rack, it'll carry a week's worth of groceries or camping equipment for the weekend. It even has a dedicated trailer mount, so adding extra cargo is a cinch.

The best things in life are meant to be shared, and the HSD is one of them. The HSD resizes in seconds to fit riders from 150 to 195 cm (4'11" to 6'5") so everybody in the family—from teens to grandparents—can enjoy the ride. The Easy-Step frame design is nice and low for easy mounts and dismounts.

Bring the kiddos. The HSD's extra-long Atlas H Rack gives plenty of heel clearance and room for your kiddo to enjoy the view rather than being smushed up against your back. The rack is rated to 60 kg (132 lb), so when paired with the upcoming Passenger Kit, the HSD is ready for your growing family.

Vertical parking: The HSD flips up for convenient vertical parking. Take it upstairs in an elevator and park it inside at home or at work—it needs just a wee bit of floor space.


Free Delivery on all orders over $99 (excl. Super73). Orders under $99, a flat rate delivery charge of $8.50 applies.

All orders are dispatched with 24 business hours from our Gold Coast Showroom. 

Delivery times will vary from 2-5 business days for metro areas and 7-14 business days for rural and remote areas.

Read more: Shipping Information.

Returns & Refunds

Crooze is committed to 100% customer satisfaction, our 30-day returns policy is simple and You are always welcome to return any unused merchandise in its original condition within 30 days from purchase for an exchange, credit, or a full refund (shipping and Merchant fees excluded).

All you need to do is return your items to us, in original condition, for an exchange, store credit or refund.

Read more: Returns & Refunds.




Gates Belt Drive. Smooth, silent, clean, durable, and maintenance-free—so you can spend more time riding, and less time cleaning your bike chain. Equipped on HSD S+/S8i.


Puncture Resistant Tyres. Schwalbe's RaceGuard puncture protection is a tough shield that'll keep you rolling through urban road debris.


Hydraulic Disc Brakes. The HSD features hydraulic disc brakes for all-weather stopping power—which you'll definitely want when carrying precious cargo on rainy days.


Bosch Drivetrain. With outstanding performance and the most extensive service network, the latest generation of Bosch motors deliver not just a smooth ride, but also that extra peace of mind.


Charger Bosch Standard ChargerMotor Bosch Active Line Plus (Gen 3), max speed 25 kph (EU); max speed 20 mph (US)
Battery Bosch PowerPack 400Range 42 -110 km (26-69 mi)
Display Bosch Purion, 4 mode selectable, walk assistFrame Tern HSD, 6061-AL, patented design, Tern sliding dropouts, EFBE Tri-Test approved: 170 kg
Frame Size One SizeFolding Time 5 sec
Fork Suntour custom for Tern, 1.5" tapered Chromoly steerer, 32 mm stanchions, Thru-axle, 70 mm travel, EFBE tested for 170 kgSpokes and Nipples Stainless steel
Front Wheel Tern Atlas H, cargo wheelRear Wheel Tern Atlas H, cargo wheel
Wheel Size 20" wheelsTyres Schwalbe Big Ben, 55-406, RaceGuard puncture protection, ECE-R75 ebike certification
Rims Tern Atlas H, wide 35 mmSpeeds 1 x 8
Rear Hub Shimano Nexus 8Front Hub Novatec, Thru-axle, sealed bearings
Rear Derailleur Shimano Alivio ShadowCrankset Tern HSD custom, Gates CDX CNC machined beltring
Cassette/FreeWheel Gates CDX, precision CNC machined cogBottom Bracket Motor integrated
Chain Gates Carbon Drive CDX beltPedals Urban with non-slip surface
Shift Cable & Housing ShimanoBrakes Levers Magura, hydraulic disc
Front Brake Magura MT4, hydraulic disc, 180 mm rotorRear Brake Magura MT4, hydraulic disc, 160 mm rotor
Brake Cable & Housing Magura, hydraulic discClip System Magnetix 2.0
Front Light Tern Valo 2.1, 45 lux/190 lumensRear Light Herrmans H-Trace, for eBike
Headset Tern Flux Pro Taper, 1.5", angular contact bearings, Physis integratedStem Tern Andros (G2), adjustable, forged construction, patented technology
Handlebar Tern Sweep, 6061-AL, Tern Andros adaptedSaddle Tern HSD
Fenders SKS, stainless hardwareRack(s) Atlas H rack, Atlas Rack Mount, 6 point mounting, max load capacity 60 kg (132 lb)
Seatpost Tern Telescope, 34.9/30.9 mm, 2014-ALSeatpost Clamp Tern Collar, 6061-AL, 2pc
Handlepost Tern Physis 3D (G2), 3D forged, 5 patented technologies, 12°, 290 mmGrips/Bar Tape Ergon
Luggage Socket Combo MountChainguard Gates integrated
Kickstand Ursus, rear mountBell Aluminum
Weight 25.4 kg (55.9 lb)Folding Size 163 x 40.5 x 86 cm (64" x 15.9" x 34")
Max Gross Vehicle Weight 170 kg (374 lbs)Max Rider Weight 120 kg. (264 lbs.)
Suggested Rider Height 150 - 195 cm (4'11" - 6'5")

*Care is taken when providing product specifications. Occasionally, without notice manufactures may alter product design or specifications.

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