Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Tern
2020 Tern HSD S8i
Value Guide market data · 2020 Tern HSD S8i
12-month trend
11%
Direction and magnitude, not judgment
vs. category average
— %
No category comparison available
Price over time - 2020 Tern HSD S8i
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All HSD model years
2020 HSD S8i lineup
Overview
About this bike
2020 Tern HSD S8i value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Fork
- Suntour custom for Tern, 1.5" tapered Chromoly steerer, 32 mm stanchions, Thru-axle, 70 mm travel, EFBE tested for 170 kg
- Frame
- Tern HSD, 6061-AL, patented design, Tern sliding dropouts, EFBE Tri-Test approved: 170 kg
Drivetrain
- Groupset
- 2020 Tern HSD S8i
- Crankset
- Tern HSD custom, Gates CDX CNC machined beltring
- Bottom Bracket
- Motor integrated
- Chain
- Gates Carbon Drive CDX belt
- Cassette/Rear Cogs
- Gates CDX, precision CNC machined cog
- Shifters
- Shimano Nexus 8
Brakes
- Brake Levers
- Magura, hydraulic
- Brakes
- Magura MT4, hydraulic disc, 160 mm/180 mm rotors
Cockpit
- Seatpost
- Tern Telescope, 34.9/30.9 mm, 2014-AL
- Saddle
- Tern HSD
- Headset
- Tern Flux Pro Taper, 1.5", angular contact bearings, Physis integrated
- Stem
- Tern Andros (G2), adjustable, forged construction, patented technology
- Handlebars
- Tern Sweep, 6061-AL, Tern Andros adapted
- Tape/Grips
- Ergon
Wheels & Tires
- Hubs
- Front: Novatec, Thru-axle, sealed bearings<br>Rear: Shimano Nexus 8
- Tires
- Schwalbe Big Ben, 55-406, RaceGuard puncture protection, ECE-R75 ebike certification
- Spokes
- Stainless steel
Pedals
- Pedals
- Urban with non-slip surface
E-System
- Display
- Bosch Purion, 4 mode selectable, walk assist
- Range
- 42 -110 km (26-69 mi)
- Battery
- Bosch PowerPack 400
- Motor
- Bosch Active Line Plus (Gen 3), max speed 25 kph (EU); max speed 20 mph (US)
Accessories
- Rims/Wheels
- Tern Atlas H, wide 35 mm
- Max Assisted Speed
- 20mph
- Color
- Matte Black / Tundra
Weight & Sizing
- Size
- One Size
Frame sizing
XS4'10"-5'2"
S5'2"-5'6"
M5'6"-5'10"
L5'10"-6'2"
XL6'2"-6'6"
M highlighted as most common resale size. Sourced from catalog metadata.
Geometry
- Stack
- Varies by size
- Reach
- Varies by size
- Wheelbase
- Varies by size
Industry standard. Sourced from catalog metadata.
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Wheel condition
Inspect rims, hubs, spokes, and bearing play; ask about the tire age and any prior wheel rebuilds.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.
Inspection
Battery health
Request battery cycle count and any diagnostic report; older packs lose range and capacity.
Inspection
Motor warranty
Verify motor warranty status and any firmware updates from the manufacturer dealer.