Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Tern
2021 Tern Vektron Q9
Value Guide market data · 2021 Tern Vektron Q9
12-month trend
10%
Direction and magnitude, not judgment
vs. category average
5%
Holds value better than category avg
Price over time - 2021 Tern Vektron Q9
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Vektron model years
2021 Vektron Q9 lineup
Overview
About this bike
2021 Tern Vektron Q9 value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Fork
- Tern Tarsus, 6061-Al, hydroformed
- Frame
- Tern Vektron, hydroformed 7005-AL, OCL+ joint, 3 patented technologies
Drivetrain
- Groupset
- Shimano Alivio
- Cassette
- Shimano 11-32T, 9 spd
- Chain
- 9 spd, DHT for eBike, GST corrosion-resistant coating
- Crankset
- Vektron custom, forged 6061-AL crankarm
- Rear Derailleur
- Shimano Alivio Shadow
- Shifters
- Shimano Alivio, 1 x 9 spd, trigger
Brakes
- Brake Levers
- Shimano, hydraulic disc
- Brakes
- Shimano, hydraulic disc
Cockpit
- Handlebar
- Flat bar, 6061-AL, Tern Andros adapted
- Headset
- Tern Flux, cartridge bearings, Physis integrated
- Saddle
- Tern Porter, patented GripPad design
- Seatpost
- Tern Telescope, 34.9/30.9 mm, 2014-AL
- Stem
- Tern Andros, adjustable, forged construction, patented technology
- Grips
- Velo ergonomic, lock-on
Wheels & Tires
- Front Tire
- Schwalbe Big Apple, Performance Line, 55-406, puncture protection, Reflex
- Hubs
- Shimano Disc
- Rims
- Kinetix Comp, for disc
- Spokes
- Stainless steel, double-butted
Pedals
- Pedals
- MKS EZY
E-System
- Battery
- Bosch PowerPack 400 Wh
- Charger
- Bosch 100-240V, 4A Charger
- Controller/Display
- Bosch Purion, 4 mode selectable, walk assist
- Motor
- Bosch Active Line Plus, 270% Assist, 50 Nm Torque
Accessories
- Accessories & Extras
- BELL: Aluminum, CHAINGUARD: SKS Chainblade, KICKSTAND: URSUS, rear mount, CLIP SYSTEM: Magnetix 3.0, LUGGAGE SOCKET: Yes, FRONT LIGHT: Tern Valo Direct, 190 lumens, REAR LIGHT: Herrmans H-Trace, for eBike, FENDERS: SplashGuard, stainless hardware, RACK(S): Atlas Rack, integrated 8 point mounting
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.