Tern Vektron P10 Gen 4 Folding Electric Bike
- Class 1
- Up to 400 Wh
- 61-80 mi claimed
- 251-300 lb max load
SVT Score, Upper
A Bosch mid-drive folding e-bike that folds in seconds and rolls when folded, with a rack and fenders but no suspension.
$3,699
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Usability
4.6 out of 10Strengths
- Folds small for cars and closets
- Rolls on its wheels when folded
- Rack and fenders come fitted
- Puncture-protected tires
- Natural pedal feel from the mid-drive
Drawbacks
- No suspension for rough roads
- Small brake rotors
- Heavy to carry up stairs
- No brake light
- No app connection on this model
A sturdy folder for train and car commuters, but no suspension
Specs
- TypeFolding
- E-Bike ClassClass 1
- BatteryUp to 400 Wh
- MotorMid-drive
- Top SpeedUp to 20 mph
- Claimed Range61-80 mi
- Weight41-55 lb
- Max Rider Load251-300 lb
- BrakesHydraulic disc
- SuspensionNone
- FoldingFolds
- CertificationsClaimed only
- Warranty2 Years
At a glance
- Folds in about ten seconds
- Shimano Deore 1x10
- Cosmic Black finish
- Stile Products, Inc. of Lakewood, California operates that store.
- The brand is owned by Mobility Holdings, Ltd. of New Taipei City, Taiwan, which also issues the warranty.
- Tern e-bikes are sold in the US through Tern Store USA at store.ternbicycles.com.
- Every e-bike ordered online ships to the nearest authorized Tern dealer, or to a certified shop where no dealer is near, for assembly and pickup.
- Authorized bike dealers across the US also sell the range, from ultra-low-step city bikes and compact folders to fat-tire longtails.
- The search turned up no Tern e-bike sold on Amazon by Tern or an official Tern store (October 2026).
- The store takes returns within 30 days of purchase.
- Of the eight major US retailers, only REI sells Tern e-bikes, and no Tern listing there reaches ten reviews (the Quick Haul P9 Sport leads with 7); Walmart, Best Buy, Target, Costco, Dick's Sporting Goods, Home Depot and Lowe's carry none (October 2026).
The Tern Vektron P10 (Gen 4) is a folding e-bike with a Bosch Performance Line mid-drive (eBike System 2) rated 65 Nm and a 400 Wh Bosch PowerPack; Bosch prints watt-hours only. It folds in about 10 seconds to 16.1 x 33.9 x 26.8 in and rolls on its wheels when folded.
It has Magura MT4 hydraulic disc brakes, a rigid Tern Tarsus fork and Schwalbe Big Apple tires with puncture protection on 20 in wheels. Tern lists 49.6 lb, a 275.6 lb maximum gross vehicle weight and a 231.5 lb rider limit, with 60 lb on the Atlas V rack.
It assists to 20 mph with no throttle, and Tern claims 28 to 70 miles. A Purion display, Shimano Deore 1x10 gearing, lights and fenders are fitted. The Airstream x Tern Vektron S10 ($3,649.00) uses the Gen 3 frame with the same pack, motor, brakes and rigid fork.
Every order ships to a Tern dealer for assembly and pickup.
Compared in
Questions answered from our data
How much does an electric bike cost?The 198 electric bikes we list run from $799 to $12,500, with a median of $1,947.
Are electric bikes UL certified?77 of the 198 electric bikes we list carry a UL 2849 listing we could look up by model.
How far can an electric bike go?171 of the 198 electric bikes we list claim 41 miles or more on a charge, each on its maker's own basis.
Which electric bikes have a battery over 1,000 Wh?10 of the 198 electric bikes we list have a battery over 1,000 Wh, as their makers rate it.
