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Tern
HSD S+
- Year
- 2021
- Size
- Unique: ideal for riders between 4ft 11in and 6ft 5in
Only one available
Why we love it
The Tern HSD S+ is a premium electric cargo bike designed for those who value convenience and smart technology in their daily rides. This compact yet powerful e-bike features an advanced mid-drive motor that offers smooth pedal assistance, making it easy to navigate urban environments and tackle steep inclines. The bike is equipped with automatic shifting, which adjusts gears seamlessly to ensure optimal performance without manual input. Its low-step frame enhances accessibility, while integrated accessories like fenders, a rear rack, and lighting add to its practicality. With its robust build and intelligent features, the Tern HSD S+ is ideal for commuters and city riders looking for a versatile and low-maintenance e-bike.
Top features
- High-performance, reliable, top of the line engine for powerful assistance on all types of terrain
- High-capacity battery for long range
- Hydraulic disc brakes for effortless, powerful and progressive brakes for complete safety
Specifications
General
Brand: Tern
Model: HSD S+
Usage: Cargo
Cargo category: Long tail
Color: Grey
Year: 2021
Mileage: 45 mi
Weight: 57 lb
Frame type: Open
Sizing
Manufacturer's size: Unique (ideal for people between 4ft 11in and 6ft 5in)
Seat tube length: 43 cm
Total bike length: 152 cm
Equipment & Accessories
Rack position: Rear
Electric
Battery
Condition: Original
Battery capacity: 500 Wh
Number of cycles of battery charge: 1
Battery location: Seat post
Battery removable: Yes
UL certified: Yes. Available for purchase anywhere in the US.
Motor
Brand: Bosch
Model: Performance Line Sport
Engine location: Mid-drive
Engine torque: 65 Nm
Product Reference: BDU385
Engine power: 250 W
Assistance type: Pedal
Max speed: 20 mph
e-Bike class: Class 1
Display
Display model: Intuvia
Mechanical
Drivetrain & Braking
Shifting: Internal gear hub
Transmission: Belt
Derailleur model: Enviolo NuVinci Optimized
Number of speeds: 1
Brakes: Disk | Hydraulic
Wheels & Tires
Wheels size: 20"
Tires: Schwalbe Big Ben (55-406 - 20 x 2.15)
Frame & Suspensions
Frame material: Aluminum
Dropper post: No
History and Inspection Report
This bike has been carefully inspected and reconditioned to ensure it meets our high refurbishment standards. Learn more
Tern HSD S+ (2021)
Refurbished in our Brooklyn Upcenter in October 2026
- Frame, drivetrain, braking system, wheels, tires and suspensions inspected and tested
- Battery, motor and display diagnosed and in healthy condition
- Software up-to-date
- Test ride, deep cleaning and final quality control check
Mechanic’s comment
This bike is in good condition. There are some scratches on the frame and some components may have external damage.
Ownership History
This Tern HSD S+ was sold to us directly by an individual in September 2026.
Warranty and Protection
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Frequently asked questions
Yes you can contact us via our chat (from 9am to 6pm ET), via email at helpdesk@upway.shop or you can schedule a call with one of our Upway experts using this link.
A large percentage of our stock is actually brand new. In many cases, we get these bikes still-in-box from both manufacturers and bike shops as overstock. While you will typically not be eligible for manufacturer warranty for these bikes, this is how we are able to offer them at such a steep discount. You can find all our new bikes here.
Yes! A professional bike mechanic has repaired, inspected, and certified your electric bike, meaning we are happy to offer a 1-year warranty that covers mechanical and electrical defects. If you experience any problems within the next 12 months receipt of your bike, please contact us via email: helpdesk@upway.shop.
If you would like, you can purchase a more robust warranty through our partner, Extend. You can read more about Extend's warranty here.
No. Your sales taxes will be calculated at check-out and vary per state. At the same time, you may not see any sales taxes applied to your purchase. If you have any questions, don't hesitate to reach out to helpdesk@upway.shop or via our chat.
Yes! The pictures you are seeing on the product page are the pictures of the exact bike you will receive if you purchase it. At Upway we truly believe in transparency and trust, so we decided to take the time to have at least 7 pictures of each bike we have in stock so that you know exactly what you are buying. If you have any questions or if you want more pictures, don't hesitate to reach out at helpdesk@upway.shop or via our chat.
Yes! You will receive the key(s), charger(s), all the accessories you see on the pictures if there are some (rack, basket, bag, etc except the bike stand in the photo) and the user guide if we have it.
Upway lets you choose to receive your bike either in 15-minute assembly or 5-minute assembly options. You can also select additional preferences for delivery speed and appointment choice. Shipping starts at $99 but varies by model (some bikes aren’t eligible for the 15-minute assembly). You can find more info on this page.
Please be assured that Upway has your back in case of any shipping damage. We generally recommend that customers do not refuse shipments. Upway will then credit you back a fair amount for any aesthetic, permanent damages such as scratches, and cover any repairs for functional damage.