Tern HSD S9i (Gen 3)

$7,499.00
Type: Tern HSD
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Mighty but Mini

A compact electric cargo bike that surprises with big-bike capability. The new HSD carries passengers and cargo with exceptional stability, while staying nimble in crowded streets and remaining delightfully easy to ride. Smart, strong, and effortlessly smooth, it’s everything you need from a cargo bike, without the unwieldiness you’d expect from one.

What makes it an S9i Sport?

  • Bosch Performance Sport motor delivers up to 90 Nm of torque and 600% pedal assist with Performance Upgrade 2.0, supporting a max speed of 28 mph (Class 3)
  • Bosch Smart System with ConnectModule allows access to advanced features like eBike Alarm, GPS tracking, and easy control via Kiox 300 display and LED Remote
  • Bosch eShift lets you shift under load or at a stop, set your preferred starting gear, and offers a wireless design for less maintenance
  • 3x3 NINE 9-speed internal gear hub with a best-in-class 554% range for efficient, low-maintenance shifting
  • Silent, smooth, and virtually maintenance-free Gates Belt Drive
  • Bosch PowerPack 545 battery provides long range of up to 64 mi (103 km)

HSD Highlights

  • Best-in-class hauling capacity, rated to a maximum gross vehicle weight of 419 lb (190 kg) with a rear rack load capacity of 176 lb (80 kg)
  • Optimized frame geometry, a longer wheelbase, and a low center of gravity keep rides stable, even with heavy loads or at higher speeds
  • Magura hydraulic disc brakes deliver precise and responsive stopping power
  • Custom Suntour suspension fork absorbs road shocks for a smoother, more comfortable ride
  • Easy-sharing cockpit adjusts without tools to fit riders 5'0" - 6'9" (153 - 205 cm) tall and weighing up to 287 lb (130 kg)
  • Third-party tested and certified to UL 2849 (complete e-bike system) and EN 17860 (frame and fork, 419 lb) for proven cargo e-bike safety and reliability

SPECIFICATIONS

General Info
Generation:
Gen 3
Speeds:
1 x 9
Weight:
29 kg (63.9 lb)
Gear Inches:
20" - 109" (1.56 - 8.67 m)
Frame Sizes:
One size
Bike Size:
174 × 112 × 68 cm (68.5 × 44.1 × 26.8 in)
Wheelbase:
120 cm (47.2 in)
Standover Height:
48.5 cm (19.1 in)
Folding Size:
166 × 42 × 87 cm (65.4 × 16.5 × 34.3 in)
Folding Time:
5 seconds
Distance: Seatpost to Handlebar:
52 - 59 cm (20.5 - 23.2 in)
Distance: Saddle to Pedal:
76 - 110 cm (29.9 - 43.3 in)
Suggested Rider Height:
153 - 205 cm (60.2 - 80.7 in)
Max Gross Vehicle Weight:
190 kg (418.9 lb)
Max Rider Weight:
130 kg (286.6 lb)
Frame
Frame:
Tern HSD, 6061-AL, patented design, EN17860 certified: 190 kg
Fork:
Suntour custom for Tern, 34 mm stanchions, Thru-axle, EN17860 certified: 190 kg
Cockpit
Handlepost:
Tern Physis 3D, 3D forged, 5 patented technologies, 12°, 320 mm
Stem:
Tern Andros, adjustable, forged construction, patented technology
Headset:
Tern Flux Pro Taper by FSA, 1.5", angular contact bearings, Physis integrated
Handlebar:
Tern Sweep, 6061-AL, Tern Andros adapted
Grips/Bar Tape:
Ergon
Saddle:
Tern by Velo
Seatpost:
Tern VLT 41/34.9mm, with Cane Creek suspension and LightAction levers
Seatpost Clamp:
Tern Collar
Brakes
Front Brake:
Magura MT4, hydraulic disc, 180 mm rotor
Rear Brake:
Magura MT4, hydraulic disc, 180 mm rotor
Brake Levers:
Magura, hydraulic disc
Brake Cable & Housing:
Magura, hydraulic disc
Wheels
Front Wheel:
Tern Atlas H, cargo wheel
Rear Wheel:
Tern Atlas H, cargo wheel
Front Hub:
Tern Atlas, Boost Thru-Axle, sealed cartridge bearings
Rear Hub:
3x3 NINE, 9 spd, w/ Bosch eShift
Spokes & Nipples:
Stainless steel, double-butted
Rims:
Tern Atlas H, cargo
Tires:
Schwalbe Big Ben Plus, 55-406, Green Guard puncture protection, Reflex
Transmission
Shifter:
3x3 CMD, wireless e-shifter, w/ Bosch eShift
Crankset:
Tern HSD, Gates CDX CNC machined beltring
Cassette/Freewheel:
Gates CDX, precision CNC machined cog
Bottom Bracket:
Motor integrated
Chain:
Gates Carbon Drive CDX belt
Pedals:
Urban with non-slip surface, sealed bearings
Shifter Cable & Housing:
Wireless
E-System
Motor:
Bosch Performance Sport (BDU34, 600% Assist, 90 Nm Torque, max speed 28 mph (US)
Battery:
Bosch PowerPack 545
Display:
Bosch Kiox 300 w/ LED remote, connectivity with Bosch eBike Flow app, electronic bike lock
Range:
545 Wh: 56-103 km (35-64 mi)
Charger:
Fast Charging, 220V, 4A (EU); 100-240V, 4A (US)
Connect Module:
Bosch Connect Module with GPS/GSM connectivity & anti-theft alarm when subscribed to Flow+; free 12-month trial upon activation
Bells & Whistles
Bell:
Pitch Plus, brass
Chainguard:
Tern Custom, full chain cover
Kickstand:
Ursus, rear mount
Luggage Socket:
Tern Combo Mount
Front Light:
Herrmans, 240 lumens
Rear Light:
Herrmans LED
Fenders:
Aluminum, stainless hardware
Rack:
Atlas H rack, 6 point mounting, ISO 11243:2023 certification: 80 kg
Frame Lock:
AXA, keyed-alike with Bosch battery
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