Tern HSD

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Release Year
Charge Time
5 Hours
Maximum Range
69 Miles
Top Speed
20 Mph
400W, 500W
600 Nm
Volts and Amp Hours
36V 11Ah, 36V 13Ah
Wheel Size
Number of Gears
8, 9
56, 56.5, 58.7 lbs
Brake Type
Frame Material

Summary of Reviews

We have read all expert and user reviews on the Tern HSD. In summary, this is what cyclists think.

21 reasons to buy

  • The Tern HSD can handle a hefty load of 374 lbs.
  • The bike is adjustable to fit individuals 4’11” to 6’ 5”.
  • Experts agree this bike could easily replace a car in the city.
  • Tern uses quiet, reliable and powerful Bosch motors.
  • There are four modes of assistance for riding, plus walk assist.
  • The same key for the battery locks the wheel.
  • The quick release steerer tube, stem and handlebars collapse into the frame, making this bike compact for travel or vertical storage.
  • The Andros stem adjusts without a tool.
  • This bike can carry a passenger up to 130 lbs.
  • Yepp, Thule and Bobike child seats are compatible with the Tern HSD.
  • The display shows speed, mode, battery life, trip distance and the odometer.
  • The lightweight battery can be charged on or off the bike.
  • Higher end models of the Tern HSD have weather resistant belt drive systems.
  • A front and rear light come standard on the Tern HSD.
  • The Tern HSD can cover a distance of up to 70 miles with one battery charge.
  • The 20” wheels make for a low center of gravity and balanced load distribution.
  • The suspension fork set up with 2.5” Schwalbe tires absorbs shock, for a smooth ride.
  • The S+ model includes a Cane Creek Thudbuster seat post, helping better absorb the impact of the small wheels.
  • Automatic shifting for added comfort and safety, is part of the S+ build.
  • Experts state the internal hub on the Tern HSD S8i and S+ are easier to maintain compared to a derailleur.
  • There are points for attachment for a trailer hitch.

3 reasons not to buy

  • Automatic shifting on the S+ model of the Tern HSD does not register on descents.
  • The battery is hard to remove when a child seat is mounted on the bike or if you have large hands.
  • One cannot mount a second battery on the top tube to extend their travel range.

Bottom line

If you are looking for a versatile cargo bike that can fit almost anyone, while carrying a child and cargo, the Tern HSD may be for you. The Tern HSD has numerous accessories available to meet your cargo bike needs, as a commuter or parent. This bike is the type of bike that can replace a car, as it can smoothly and safely haul 374 lbs. The Tern HSD can go up to 20 mph with pedal assist. The seat post, handlebars, steerer tube and stem are all easy to adjust for vertical storage or transport in an SUV. Experts and users alike rave that the Tern HSD is worth the price.

Expert Reviews

82/100 based on 3 expert reviews

Tern HSD S8i

Well, the HSD is, in most ways, a better bike than a standard large-wheeled city bike. It’s smaller and easier to store, it can carry more stuff, and it’s more adaptable to a range of rider sizes.

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Review: Tern HSD Series

So many bike manufacturers think that the way to get more people on bikes is to make them bigger and plushier. That might make a bike more comfortable, but it’s a hassle to maneuver those giant things around. The HSD is comfortable without losing its convenience.

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Tern HSD+ Test: Compactbike + Longtail = Midtail [German]

The Tern HSD is an interesting mix of longtail cargo bike and compact pedelec.

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Electric Bike Review

Tern HSD S8i Review

The Tern HSD S8i is a high-quality midtail electric cargo bike that can stand vertically to save space!

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Cycle Volta

Tern HSD S8i Ebike Review

Mini yet mighty, the Tern HSD S8i is a versatile and comfortable cargo hauler.

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User Ratings

80/100 based on 4 ratings
  • 5 star
  • 4 star
  • 3 star
  • 2 star
  • 1 star

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Compared to other bikes
#44 Best Commuter
Top 50%
#30 Best Seniors
Bottom 50%
#165 Best of All Bikes
Bottom 50%


In comparison to averages of categories