Tern  HSD P9 Electric Bike

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Mighty but mini, the Tern HSD P9 electric bike is easy to handle and comfortable to ride, and it can carry a whole lot of cargo—all in a compact design that's shorter than a standard bicycle.

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Features

  • Bosch® Active Line Plus motor with Purion display delivers pedal assist up to 20 mph, helping you carry groceries and tackle steep hills, without the sweat
  • Go farther with the Bosch PowerPack 400 battery—it offers a range of up to 69 mi., depending on conditions and assist settings
  • Custom Suntour suspension fork smooths out rough roads with 70mm of travel
  • 9-speed Shimano® Alivio Shadow RD derailleur provides crisp shifting
  • Shimano hydraulic disc brakes deliver consistent, powerful braking, even in wet conditions
  • ABUS® keyed-alike frame lock offers light security for quick stops and can be matched to use the same keys as a higher-security ABUS lock (not included)
  • Fits riders from 4'11" to 6'5" (150 to 195 cm)
  • Fits one Thule® Yepp Maxi, Yepp Nexxt Maxi, or Bobike® GO Maxi child seat—no adapters needed
  • NOTE: Specs and images are subject to change based on component availability

Imported.

This e-bike comes with Coast to Coast Support, which includes:
  • 1 year of free adjustments (see more below)
  • In-store bike assembly
  • Pickup in store or curbside
  • Bike experts available at 170+ bike shops
REI Co-op Members get more:
  • 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)
More about our free adjustments:
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
View the Tern HSD Product LineView all Tern Electric Cargo Bikes

Technical Specs

Best Use

Urban Cycling

E-Bike Classification

Class 1: pedal assist up to 20 mph

Motor

Bosch Active Line Plus, 250W

Motor Type

Mid-Drive

Motor Torque (Nm)

50

Battery Type

Lithium Ion

Battery Capacity (Wh)

400 watt hours

Battery Removable

Yes

Charge Time (hrs)

1.5-3.5 hours

Pedal Assist Range

26-69 miles

Frame

6061 aluminum

Step-Through

Yes

Bike Suspension

Front Suspension

Fork

Suntour custom for Tern

Fork Travel

70 millimeters

Crankset

Tern HSD custom

Bottom Bracket

Motor integrated

Shifters

Shimano Alivio

Rear Derailleur

Shimano Alivio Shadow

Rear Cogs

Shimano 9-speed, 11-32

Number of Gears

9

Brake Type

Hydraulic Disc Brake

Brakes

Shimano hydraulic disc

Brake Levers

Shimano hydraulic

Rims

Tern Atlas H, Cargo

Front Hub

Novatec, thru axle, sealed bearings

Rear Hub

Shimano disc

Wheel Size

20 inches

Tires

Schwalbe Big Apple 20 x 2.2 in. (55-406mm)

Tire Width

2.2 inches

Handlebar Shape

Flat Bar

Handlebar

Tern Sweep, 6061-AL, Tern Andros Adapted

Stem

Tern Physis 3D with Andros Stem

Seat Post

Tern Telescope, 34.9/30.9mm, 2014-AL

Saddle

Tern HSD

Pedals

Urban platform with nonslip surface

Headset

Tern Flux, Cartridge Bearings

Chain

9-speed DHT for eBike with GST corrosion-resistant coating

Weight

56 lbs. 8 oz.

Bike Weight

Bike weight is based on median size, as sold, or the average of two median sizes.

Gender

Unisex

Size Chart

Tern Bikes (187356, 169179, 169178, 187355)
One Size
Height Range4'11''-6'5''

How we measure bikes

  1. 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.
  2. Reach Reach is the horizontal distance from the center of the cranks to the center of the head tube, measured at head tube level.
  3. 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.
  4. 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.
  5. 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.
  6. Head Tube Length Head Tube Length is measured from the bottom to the top of the head tube.
  7. Head Tube Angle Head Tube Angle is the acute angle between the head tube and the ground (measured towards the rear of the bike)
  8. Seat Tube Angle Seat Tube Angle is the acute angle between the seat tube and the ground (measured towards the rear of the bike).
  9. Bottom Bracket Height Bottom Bracket Height is a measurement taken vertically from the ground up to the center of the cranks.
  10. Wheelbase Wheelbase is the measurement from the center of the front axle to the center of the rear axle.
  11. Chainstay Length Chainstay Length is the measurement from the center of the cranks to the center of the rear axle.
  12. 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.

Reviews
15 reviews with an average rating of 4.6 out of 5 stars

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