Name: Tern HSD S9i Sport (Gen 3) Electric Bike
Brand: Tern
SKU: 12-91-100
Price: 7499.0 USD
Availability: InStock

Tern HSD S9i Sport (Gen 3) Electric Bike

$7,499.00

Shipping calculated at checkout.

Color

Thomas Green

Gloss Basalt

In stock, ready to ship
Backordered, shipping soon

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

Component Specifications

Frame & Fork

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)
Frame Size	One size
Bike Weight	29 kg (63.9 lb)

Drivetrain & Motor

Motor	Bosch Performance Sport (BDU34), 90 Nm torque, 600% assist w/ Performance Upgrade 2.0, Class 3, max 28 mph
Battery	Bosch PowerPack 545 Wh
Range	56-103 km (35-64 mi)
Display / Control	Bosch Kiox 300 color display with LED Remote, ConnectModule (GPS, eBike Alarm)
Shifter	3x3 CMD wireless e-shifter with Bosch eShift
Rear Hub	3x3 NINE, 9-speed internal gear hub w/ Bosch eShift
Gear Range	20"-109" (554% range)
Belt Drive	Gates Carbon Drive CDX

Brakes

Front & Rear

Magura MT4 hydraulic disc, 180 mm rotor

Wheels & Tires

Wheels	Tern Atlas H cargo wheels, Atlas Boost thru-axle hubs with sealed bearings
Tires	Schwalbe Big Ben Plus, 55-406, Green Guard puncture protection

Capacity & Weight

Max Gross Vehicle Weight	190 kg (418.9 lb)
Max Rider Weight	130 kg (286.6 lb)
Rear Rack Capacity	80 kg (176 lb), ISO 11243:2023 certified
Suggested Rider Height	153-205 cm (5'0"-6'9")

Geometry

Overall Dimensions	174 x 112 x 68 cm (68.5 x 44.1 x 26.8 in)
Wheelbase	120 cm (47.2 in)
Standover Height	48.5 cm (19.1 in)
Seatpost to Handlebar (Reach)	52-59 cm (20.5-23.2 in)
Saddle to Pedal	76-110 cm (29.9-43.3 in)
Folded Dimensions	166 x 42 x 87 cm (5-second fold)

We accept all returns of new, unused, unopened, goods within 7 days of your purchase. If you are not satisfied with an item, simply ship it back to us within 7 days for a full refund. Funds will be returned to the payment method used at checkout. Sorry, No returns on bicycle purchases / frame sets or items less than $25.

Send returns to:
MECHANIC Bicycle Pro Shop:
ATTN: Returns, (Your Order #)
1327 Darby Road
Havertown, Pennsylvania, 19083

[{"id":67652983193763,"title":"Thomas Green","option1":"Thomas Green","option2":null,"option3":null,"sku":"12-91-100","requires_shipping":true,"taxable":true,"featured_image":{"id":53926339805347,"product_id":15428891672739,"position":1,"created_at":"2026-10-10T10:41:26-04:00","updated_at":"2026-10-10T10:41:28-04:00","alt":null,"width":1920,"height":1278,"src":"\/\/mechaniccycling.com\/cdn\/shop\/files\/TN-photo-HSD_S9i-gen3-thomas-profile-Tern-web_0_jpg_72a73ba6-a49d-42b2-8616-f1ceff322360.webp?v=1791643288","variant_ids":[67652983193763]},"available":true,"name":"Tern HSD S9i Sport (Gen 3) Electric Bike - Thomas Green","public_title":"Thomas Green","options":["Thomas Green"],"price":749900,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":null,"featured_media":{"alt":null,"id":47067574010019,"position":1,"preview_image":{"aspect_ratio":1.502,"height":1278,"width":1920,"src":"\/\/mechaniccycling.com\/cdn\/shop\/files\/TN-photo-HSD_S9i-gen3-thomas-profile-Tern-web_0_jpg_72a73ba6-a49d-42b2-8616-f1ceff322360.webp?v=1791643288"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":67652983226531,"title":"Gloss Basalt","option1":"Gloss Basalt","option2":null,"option3":null,"sku":"12-91-99","requires_shipping":true,"taxable":true,"featured_image":{"id":53926339838115,"product_id":15428891672739,"position":2,"created_at":"2026-10-10T10:41:26-04:00","updated_at":"2026-10-10T10:41:28-04:00","alt":null,"width":1920,"height":1278,"src":"\/\/mechaniccycling.com\/cdn\/shop\/files\/TN-photo-HSD_S9i-gen3-basalt-profile-Tern-web_0_jpg_ce175452-3fad-49b6-9053-c46ecb2a33f7.webp?v=1791643288","variant_ids":[67652983226531]},"available":true,"name":"Tern HSD S9i Sport (Gen 3) Electric Bike - Gloss Basalt","public_title":"Gloss Basalt","options":["Gloss Basalt"],"price":749900,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":null,"featured_media":{"alt":null,"id":47067574042787,"position":2,"preview_image":{"aspect_ratio":1.502,"height":1278,"width":1920,"src":"\/\/mechaniccycling.com\/cdn\/shop\/files\/TN-photo-HSD_S9i-gen3-basalt-profile-Tern-web_0_jpg_ce175452-3fad-49b6-9053-c46ecb2a33f7.webp?v=1791643288"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}]

{"id":67652983193763,"title":"Thomas Green","option1":"Thomas Green","option2":null,"option3":null,"sku":"12-91-100","requires_shipping":true,"taxable":true,"featured_image":{"id":53926339805347,"product_id":15428891672739,"position":1,"created_at":"2026-10-10T10:41:26-04:00","updated_at":"2026-10-10T10:41:28-04:00","alt":null,"width":1920,"height":1278,"src":"\/\/mechaniccycling.com\/cdn\/shop\/files\/TN-photo-HSD_S9i-gen3-thomas-profile-Tern-web_0_jpg_72a73ba6-a49d-42b2-8616-f1ceff322360.webp?v=1791643288","variant_ids":[67652983193763]},"available":true,"name":"Tern HSD S9i Sport (Gen 3) Electric Bike - Thomas Green","public_title":"Thomas Green","options":["Thomas Green"],"price":749900,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":null,"featured_media":{"alt":null,"id":47067574010019,"position":1,"preview_image":{"aspect_ratio":1.502,"height":1278,"width":1920,"src":"\/\/mechaniccycling.com\/cdn\/shop\/files\/TN-photo-HSD_S9i-gen3-thomas-profile-Tern-web_0_jpg_72a73ba6-a49d-42b2-8616-f1ceff322360.webp?v=1791643288"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}

Tern HSD S9i Sport (Gen 3) Electric Bike