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Enormously Useful. Surprisingly Smaller.
The HSD is mighty but mini: It’s easy to handle, easy to share, extremely comfortable to ride, carries a whole lot of cargo—and all of this in a compact design that’s shorter than a standard bicycle.

Bosch® Performance Line Sport motor, pedal assist up to 28 mph (Class 3)

Bosch® Intuvia display

500 Wh battery for a range of up to 74 mi

Custom Suntour suspension fork

11-speed Shimano® Deore XT Shadow+ derailleur

Magura® hydraulic disc brakes

Abus® keyed-alike frame lock

Fits riders from 4’11” to 6’5”

Fits one Thule® Yepp Maxi, Yepp Nexxt Maxi, or Bobike® GO Maxi child seat—no adapters needed


Frame Tern HSD, 6061-AL, patented design, EFBE Tri-Test approved: 170 kg
Fork Suntour custom for Tern, 1.5" tapered Chromoly steerer, 32 mm stanchions, Thru-axle, 70 mm travel, EFBE Tri-Test approved: 170 kg
Headset Tern Flux Pro Taper, 1.5", angular contact bearings, Physis integrated
Rims/Wheels Tern Atlas H, cargo wheel
Hubs Novatec, sealed cartridge bearing, disc
Spokes Stainless steel, double-butted
Tires Schwalbe Big Ben, 55-406, RaceGuard puncture protection, ECE-R75 ebike certification
Crankset Tern HSD custom
Bottom Bracket Motor integrated
Chain KMC 11 spd, EPT corrosion resistant coating
Rear Derailleur Shimano Deore XT, 1 x 11 spd
Shifters Shimano Deore XT, 1 x 11 spd
Handlebars Tern Sweep, 6061-AL, Tern Andros adapted
Tape/Grips Ergon
Stem Tern Andros, adjustable, forged construction, patented technology
Brake Levers Magura, hydraulic
Brakes FRONT BRAKE: Magura MT5, hydraulic disc, 180 mm rotor, REAR BRAKE: Magura MT4, hydraulic disc, 160 mm rotor
Pedals Urban with non-slip surface, sealed bearings
Saddle Tern HSD
Seat Post Cane Creek Thudbuster G4, Tern Telescope, 34.9/30.9 mm
Seat Binder Tern Collar, 6061-AL, 2pc
Motor Bosch Performance Sport, 300% Assist, 65 Nm Torque, max speed 28 mph (US)
Battery Bosch PowerPack 500
Range 500 Wh: 51-118 km (32-74 mi
Lights FRONT LIGHT: Tern Valo Direct, 190 lumens, REAR LIGHT: Herrmans H-Trace, for eBike

* Subject to change without notice.

Part Numbers

Option MPN Store SKU
Tundra 12-9-86 210000055296