Tern HSD S11 Electric Bike
Mighty but mini, the Tern HSD S11 electric bike gives you all the smooth power of a Bosch motor for easy pedaling in a convenient size for commuting in the city and running errands.
Key Details
- Bosch PowerPack 545 battery provides long range of up to 76 miles (121 km)
- Class 3 Bosch Performance Line Sport motor with Bosch Smart System provides up to 75 Nm of torque and increases your pedaling power by up to 340%
- Bosch ConnectModule allows you to utlize Smart System enhanced theft-protection functions like eBike Alarm and eBikeTracking
- Control all Smart System functions at your fingertips via the Bosch eBike Flow App
- App allows you to keep your e-bike system up-to-date with over-the-air updates, activate the eBike Lock, customize riding modes, view bike info, connect to dealers and more
- Kiox 300 color display that automatically activates eBike Lock when removed from the bike
- Cargo and passenger-ready with a large rear rack capacity of 176 lbs. (80 kg)
- Fits riders from 4 ft. 11 in. up to 6 ft. 5 in. (150–195 cm) with an easily adjustable cockpit
- Tested for safety and reliability; frame and fork are EFBE-tested up to the 180 kg (397 lbs.) maximum gross vehicle weight
- 1 x 11-speed Shimano Deore groupset
- Ultrabright Ignis headlight with high/low beam ensures 24/7 visibility, no matter the weather
- Always-on RearStop brake light helps you safely signal stops
- NOTE: Specs and images are subject to change based on component availability
Imported.
- 1 year of free adjustments (see more below)
- In-store bike assembly
- Pickup in store or curbside
- Bike experts available at 170+ bike shops
- An additional year of free adjustments on e-bikes
- 20% off shop services
- Free tubes with purchase of flat tire repair (Co-op Cycles brand tubes only; tube must be installed at time of purchase)
New bikes go through a normal break-in period, after which they should be readjusted. All electric bicycles sold at REI include free adjustments for the defined period (one year after purchase date for non-members, or two years for REI Co-op Members)—as many times as you need. Included: derailleur and brake adjustments, lateral wheel truing, hub and headset bearing adjustments, tire inflation, chain lubrication and e-bike firmware updates. Not included: replacement or installation of new components or accessories, any other services. Call your local REI Co-op Bike Shop for more information.
UL2849 certified
| Best Use | Urban Cycling |
|---|---|
| E-Bike Classification | Class 3: pedal assist up to 28 mph |
| Motor | Bosch Performance Line Sport |
| Motor Type | Mid-Drive |
| Motor Torque (Nm) | 75 Newton meters |
| Battery Type | Lithium Ion |
| Battery Capacity (Wh) | 545 watt hours |
| Battery Removable | Yes |
| Charge Time (hrs) | 2-6 hours |
| Pedal Assist Range | 32-76 miles |
| Frame | 6061-AL, patented design, Tern sliding dropouts, EFBE Tri-Test approved: 180 kg |
| Step-Through | Yes |
| Bike Suspension | Front Suspension |
| Fork | Suntour custom for Tern, 1.5 in. tapered chromoly steerer, 32 mm stanchions, thru axle, EFBE approved: 180 kg |
| Fork Travel | 70 millimeters |
| Crankset | Tern HSD custom |
| Bottom Bracket | Motor integrated |
| Shifters | Shimano Deore |
| Rear Derailleur | Shimano Deore Shadow+ |
| Rear Cogs | 11-36T, 11 speed |
| Number of Gears | 11 gear(s) |
| Brake Type | Hydraulic Disc Brake |
| Brakes | Magura MT4, hydraulic disc, 180 mm rotor (front), 160 mm rotor (rear) |
| Brake Levers | Magura MT4 e-stop, hydraulic, with brake light sensor |
| Rims | Tern Atlas H, 35 mm wide |
| Rear Hub | Novatec, sealed cartridge bearing, disc |
| Wheel Size | 20 inches |
| Tires | 55-406, RaceGuard puncture protection, ECE-R75 e-bike certification |
| Tire Width | 2.15 inches |
| Handlebar Shape | Moustache Bar |
| Handlebar | 6061-AL, Tern Andros adapted |
| Stem | Tern Andros, adjustable, forged construction, patented technology |
| Seat Post | Cane Creek Thudbuster G4, Tern Telescope, 34.9/30.9 mm |
| Saddle | Tern Upright by Velo |
| Pedals | Urban with nonslip surface, sealed bearings |
| Headset | Tern Flux Pro Taper by FSA, 1.5 in., angular contact bearings, Physis integrated |
| Chain | KMC 11-speed for e-bikes; EPT corrosion-resistant coating |
| Weight | 61 lbs. 14.4 oz. |
| Bike Weight | Bike weight is based on median size, as sold, or the average of two median sizes. |
| Gender | Unisex |
| Sustainability | Contains recycled materials |
| One Size | |
|---|---|
| Height Range | 4'11''- 6'5'' |
How we measure bikes
- Standover Height Standover Height is a measurement from the ground to the top of the top tube, measured at the midpoint of the top tube.
- Reach Reach is the horizontal distance from the center of the cranks to the center of the head tube, measured at head tube level.
- Stack Stack is the vertical distance from the center of the cranks to the center of the head tube, measured to the top of the head tube.
- Effective Top Tube Effective top tube is the distance from the center of the head tube to the center of the seat tube/seat post, measured parallel to the ground.
- Seat Tube Center to Top Seat Tube length is the measurement of the seat tube, from the center of the cranks to the top of the seat tube.
- Head Tube Length Head Tube Length is measured from the bottom to the top of the head tube.
- Head Tube Angle Head Tube Angle is the acute angle between the head tube and the ground (measured towards the rear of the bike)
- Seat Tube Angle Seat Tube Angle is the acute angle between the seat tube and the ground (measured towards the rear of the bike).
- Bottom Bracket Height Bottom Bracket Height is a measurement taken vertically from the ground up to the center of the cranks.
- Wheelbase Wheelbase is the measurement from the center of the front axle to the center of the rear axle.
- Chainstay Length Chainstay Length is the measurement from the center of the cranks to the center of the rear axle.
- Fork Offset Fork Offset, or rake, is the distance from the front axle to a line drawn parallel to the center of the head tube or steering axis.
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Fantastic Cargo Bike!
Fantastic bike... solidly built, comfortable ride, smooth motor. Great carrying capacity, excellent range of accessories. Worth every penny, you are getting what you pay for, high quality all around.