Aventon Level 4 ADV Step-Through vs Trek FX+ 2S MidstepLevel 4 ADV Step-Through vs FX+ 2S Midstep
Both checked Sep 2026 against manufacturer pages
Key differences
What actually differs
Weight
Trek is 5 lb lighter
Aventon
61 lb total
Trek
55.6 lb
Battery
Aventon has 54% more
Aventon
800 Wh
Trek
520 Wh
Top speed
Trek is 8 mph faster
Aventon
20 mph
Trek
28 mph
Both are Class 2 speeds.
Verdict
Which one for you
- Easiest to lift or carryTrek FX+ 2S Midstep5 lb lighter overall.
- Longest ridesAventon Level 4 ADV Step-ThroughLarger battery. Both range claims are the brand's, not tested.
- Easiest to get onAventon Level 4 ADV Step-ThroughLowest step-over: 16.4″ vs 17.7″.
Full specs
Side by side
SpecAventon Level 4 ADV Step-ThroughTrek FX+ 2S Midstep
Fit
Step-over height
16.4″Better
17.7″
Rider height
5′3″–5′10″
5′1″–5′5″
Total load
300 lb
—
Motor
Rated power
Not published by brand
500W
Peak power
750W
Not published by brand
Torque
100 NmBetter
60 Nm
Battery
Capacity
800 WhBetter
520 Wh
Voltage and amp-hours
36V · 20Ah
—
Battery weight
8.7 lb
Not published by brand
Range and speed
Claimed range
Up to 110 MilesBetter
Up to 50mi
Top speed
20 mph
28 mph
E-bike class
Class 1, 2 or 3
Class 2 or 3
Size and folding
Weight
52.3 lb + 8.7 lb battery
55.6 lbBetter
Wheels
27.5"
Bontrager GR0 Comp, wire bead, 60 tpi, 650x50mm
Brakes and drivetrain
Brakes
Tektro HD-M3120 2-Piston Hydraulic Disc Brakes front and rear; 180mm 6 bolt rotors…
Tektro HD-E3110 hydraulic disc ; rotor: Tektro, 6-bolt, 180mm
Gears
Shimano Cues 10-Speed rear derailleur, E-Shifter (Autoshift), Shimano Cues 10-Speed…
Shimano 8-speed ; cassette: Shimano HG400, 11-45, 8 speed
Comfort and safety
Suspension
Fork: 100 mm Travel, Adjustable Coil Spring with Preload Adjustment and Lockout…
SR Suntour GVX32-D, air spring, lockout, rebound adjuster, 100mm QR, 63mm travel
Certifications
UL Safety Certified UL 2849; battery Certified to UL 2271
UL 2849
List price
Price
$2,799
$2,299.99Better
"Better" marks the stronger figure where one clearly exists. Range and battery claims are the brand's own. "~" means we calculated it. "—" means we haven't checked it yet. Sources and any conflicting figures are on each model page.