Trek Charter+ 4S
Class 3
Legal class
28 mph
Top speed
90 Nm
Torque
540 Wh
Battery
67.58 lb
Weight
300 lb
Max load
Class 3 comfort commuter on a Bosch Performance Line Sport smart system motor (90Nm, 28 mph) with a 540Wh top-load PowerTube. The spec table gives the motor as "700W" without saying nominal or peak, so neither wattage field is filled. SR Suntour coil fork with 63mm travel, suspension seatpost with no travel figure, Shimano MT200 hydraulic brakes on 180mm rotors, 800 lumen Trek headlight, integrated rack and alloy fenders, kickstand. The page does not say whether the battery is removable. Weight 67.58 lb for size M; 300 lb total weight limit. No range figure is published for this build. Trek publishes no model year; 2026 is the year it was read. A Charter+ 4S Lowstep sells at the same price and the Charter+ 5S Lowstep at $4,499.99.
$3,999.99Manufacturer price, 09/30/2026
Check current price
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Full specification
| Headline | |
| Price | $3,999.99 |
|---|---|
| Category | Commuter |
| Price per Wh | $7.41 per Wh |
| Model year | 2026 |
| Motor | |
| Torque | 90 Nm |
| Drive | Mid-drive |
| Motor make | Bosch Performance Line Sport |
| Drive system | Bosch |
| Battery & range | |
| Battery | 540 Wh |
| Est. real range | 27 mi |
| Estimate assumes | 20 Wh per mile |
| Weight & capacity | |
| Weight | 67.58 lb |
| Max load | 300 lb |
| Class & speed | |
| Ships as | Class 3: pedal assist to 28 mph |
| Unlocks to | Class 3 |
| Class | Class 3 |
| Throttle | No |
| Top assisted speed | 28 mph |
| Build | |
| Gears | 9-speed |
| Drivetrain | Shimano CUES U4000 (11-46T) |
| Brakes | Hydraulic disc |
| Front rotor | 180 mm |
| Rear rotor | 180 mm |
| Suspension | Hardtail (front only) |
| Fork travel | 63 mm |
| Rear travel | None |
| Front suspension | Yes |
| Tires | 27.5 x 2.4 Bontrager E6 Hard-Case Lite, reflective |
| Display | Bosch Purion 200 |
| Frame | Alpha Platinum Aluminum |
| Sizes | M-XL |
| Step-through option | No |
| Included | |
| Lights | Yes |
| Fenders | Yes |
| Rack | Yes |
| Kickstand | Yes |
| Safety | UL 2849 |
| Safety certification | UL 2849: full system |
| As the maker states it | All e-systems that Trek currently uses have been tested to UL 2849 and EN 15194 as appropriate, and certified to UL 2849 |
Safety certification: UL 2849: full system. Trek states: “All e-systems that Trek currently uses have been tested to UL 2849 and EN 15194 as appropriate, and certified to UL 2849” (source). That is the manufacturer’s own claim, not something we verified, you can check a specific model in UL’s Product iQ database. Why this matters.
Specs transcribed from www.trekbikes.com on 09/30/2026. Fields the manufacturer does not publish are shown as “—” rather than estimated. Manufacturers revise specs without notice: confirm before buying.
Compared with
Head to head against the commuter bikes closest to it on price.