$5,499.00
Color:Blue
Size: One Size
Quantity
Choose a shipping method

Members get an estimated $549.90 back on this item as part of their .

Enormously useful yet surprisingly small—the Tern HSD S+ folding electric bike is shorter than a standard bicycle, yet carries a whole lot of cargo, while offering a ride so easy, it shifts itself.

  • Features

    • Next-generation Bosch® Performance Line motor with Intuvia display delivers pedal assist up to 20 mph, helping you carry groceries and tackle steep hills, without the sweat
    • enviolo AUTOMATiQ shifter and Sport 380 internally geared rear hub offer effortless, stepless automatic shifting across a wide gear ratio range of 380%
    • Perfect for longer rides, the Bosch PowerPack 500 battery offers a range of up to 74 mi., depending on conditions and assist settings
    • Custom Suntour suspension fork smooths out rough roads with 70mm of travel
    • Cane Creek® Thudbuster ST suspension seatpost offers additional comfort without sacrificing performance or control; tunable to match your weight and riding preferences
    • Magura® MT4 hydraulic disc brakes deliver consistent, powerful braking, even in wet conditions
    • Gates Carbon Drive® CDX belt lasts more than twice as long as a typical chain and works without lubrication, meaning no greasy, dirty buildup to get on your hands or clothes
    • 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 (child seats not included)

    Imported.

    Free Adjustment Period:
    New bikes go through a normal break-in period, after which they should be readjusted. All bicycles sold at REI include free adjustments for one year after purchase date—as many times as you need. Included: derailleur and brake adjustments, lateral wheel truing, hub and headset bearing adjustments, tire inflation and chain lubrication. Not included: replacement or installation of new components or accessories, any other services. Call your local REI Co-op Bike Shop for more information.
    View all Tern Electric Folding Bikes
  • Technical Specs

    Best Use

    Urban Cycling

    E-Bike Classification

    Class 1: pedal assist up to 20 mph

    Motor

    Bosch Performance Line (Gen 3)

    Motor Type

    Mid-Drive

    Motor Torque (Nm)

    65

    Battery Type

    Lithium Ion

    Battery Capacity (Wh)

    500 watt hours

    Battery Removable

    Yes

    Charge Time (hrs)

    2.5-4.5 hours

    Pedal Assist Range

    32-74 miles

    Bike Frame Material

    Aluminum

    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

    enviolo AUTOMATiQ

    Rear Cogs

    Gates CDX, precision CNC machined cog

    Internally Geared

    Yes

    Brake Type

    Hydraulic Disc Brake

    Brakes

    Magura MT-4 hydraulic disc

    Brake Levers

    Magura hydraulic

    Rims

    Tern Atlas H, Cargo

    Front Hub

    Novatec, thru axle, sealed bearings

    Rear Hub

    enviolo Sport 380

    Wheel Size

    20 inches

    Tires

    Schwalbe Big Ben 20 x 2.2 in. (55-406mm), RaceGuard Puncture Protection

    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

    Cane Creek Thudbuster ST, Tern Telescope, 34.9/30.9mm

    Saddle

    Tern HSD

    Pedals

    Urban platform with nonslip surface, sealed bearings

    Headset

    Tern Flux Pro Taper, 1.5 in., angular contact bearings

    Chain

    Gates Carbon Drive CDX Belt

    Belt Drive

    Yes

    Weight

    58 lbs. 11.2 oz.

    Bike Weight

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

    Gender

    Unisex

  • Reviews

    Loading Reviews...
  • Questions & Answers

    Loading Questions...