E-bikeOn sale
FX+ 1S Step-over
An e-bike with a 17.7″ step-over.
- Motor
- 500W · 60 Nm
- Battery
- 520 Wh
- Range, claimed
- up to 50 mi
- Top speed
- 28 mph
- Weight
- 48.7 lb
- List price
- $1,999.99
✓ Specs checked Sep 29, 2026against trekbikes.com · sources for each spec
Set your height and weight. We compare them with the limits Trek publishes.
Height
5′6″
168 cm
Weight
180 lb
82 kg
Rider height
5′1″ min5′5″ max
Weight and load
Rider limit not published
Step-over, 17.7″
groundyour knee ▲
Bike: 48.73 lb
Specifications
Fit
- Step-over height
- 17.7″45 cmtrekbikes.com ↗ · checked Sep 29, 2026
- Rider height
- 5′1″–5′5″155–165 cmtrekbikes.com ↗ · checked Sep 29, 2026
- Seat height
- Not published by brandtrekbikes.com ↗ · checked Sep 29, 2026
- Rider limit
- Not published by brandtrekbikes.com ↗ · checked Sep 29, 2026
- Total load
- —Not used: The brand's 300 pounds (136 kg) limit includes the weight of the bike itself, so it isn't a payload figure.
- Seats
- —
Motor
- Rated power
- 500Wtrekbikes.com ↗ · checked Sep 29, 2026
- Peak power
- Not published by brandtrekbikes.com ↗ · checked Sep 29, 2026
- Torque
- 60 Nmtrekbikes.com ↗ · checked Sep 29, 2026
Battery
- Capacity
- 520 Whstated by brandtrekbikes.com ↗ · checked Sep 29, 2026
- Voltage and amp-hours
- —
- Battery weight
- Not published by brandtrekbikes.com ↗ · checked Sep 29, 2026
Range and speed
- Claimed range
- Up to 50 mi80 kmtrekbikes.com ↗ · checked Sep 29, 2026
- Top speed
- 28 mph45 km/htrekbikes.com ↗ · checked Sep 29, 2026
- E-bike class
- Class 2 or 3has a throttletrekbikes.com ↗ · checked Sep 29, 2026
Size and folding
- Folds
- Not published by brandtrekbikes.com ↗ · checked Sep 29, 2026
- Folded size
- Not published by brandtrekbikes.com ↗ · checked Sep 29, 2026
- Weight
- 48.7 lb22 kgtrekbikes.com ↗ · checked Sep 29, 2026
- Wheels
- Bontrager GR0 Comp, wire bead, 60 tpi, 650x50mmtrekbikes.com ↗ · checked Sep 29, 2026
Brakes and drivetrain
- Brakes
- Rush BH-286 hydraulic disc, 180mm rotortrekbikes.com ↗ · checked Sep 29, 2026
- Parking brake
- —
- Gears
- Shimano, 8-speed ; cassette: Shimano HG400, 11-45, 8 speedtrekbikes.com ↗ · checked Sep 29, 2026
- Rear differential
- —
- Reverse
- —
Comfort and safety
- Suspension
- Rigid alloytrekbikes.com ↗ · checked Sep 29, 2026
- Certifications
- UL 2849trekbikes.com ↗ · checked Sep 29, 2026
Legal in your state
Can I ride it where I live?
Trek sells this as Class 2 or 3, with a 28 mph top speed.
✓ Class 2 or 3 e-bike in California
throttle, 28 mph
- License, registration
- No driver's license, registration, license plate or insurance is needed for a legal e-bike or e-trike, and it is not a motor vehicle.
- Helmet
- Riders and passengers under 18 must wear a bicycle helmet on any bike, including an e-bike.
- Minimum age
- Riders must be 16 or older to operate a Class 3. State law sets no minimum age for Class 1 or 2, but pilot laws let San Diego County and Marin County set local limits, listed under local rules below.
- Where you can ride
- E-bike riders have the same road rights and duties as bicyclists, including use of bike lanes.
Last verified Sep 2026 · Read the statute ↗ · Full California guide · Not legal advice.
✓ Class 2 or 3 e-bike in New Jersey
throttle, 28 mph
- License, registration
- Riders 17+ need a valid driver's license of any class or a moped (e-bike) license/permit; riders 15-16 need a moped (e-bike) license or permit; bike-share renters 16+ are exempt.
- Helmet
- Motorized bicycle riders of every age must wear an approved helmet.
- Minimum age
- No one under 15 may ride a low-speed e-bike or motorized bicycle.
- Where you can ride
- Motorized bicycles may not use interstates, median-divided highways, roads posted over 50 mph, or the GSP/Turnpike/AC Expressway.
Last verified Sep 2026 · Read the statute ↗ · Full New Jersey guide · Not legal advice.
✓ Class 2 or 3 e-bike in Florida
throttle, 28 mph
- License, registration
- No driver license needed for any e-bike class.
- Helmet
- Riders and passengers under 16 must wear a bicycle helmet; no state helmet rule for 16+.
- Minimum age
- No statewide minimum age, but since July 1, 2025 cities/counties may set minimum ages and require riders to carry government photo ID.
- Where you can ride
- You may ride anywhere a regular bicycle is allowed, including streets, shoulders, bike lanes and multi-use paths.
Last verified Sep 2026 · Read the statute ↗ · Full Florida guide · Not legal advice.
⚠ Check before buying
28 mph is over the 25 mph limit.
- License, registration
- No driver's license, registration or insurance is needed for a legal Class 1-3 e-bike.
- Helmet
- All Class 3 riders must wear a helmet; for Class 1 and 2 no state helmet rule applies to adults (localities may require helmets).
- Minimum age
- Riders must be at least 16.
- Where you can ride
- E-bikes may be ridden on roads with a posted speed limit of 30 mph or less, and in bike lanes; Class 3 only in New York City.
Last verified Sep 2026 · Read the statute ↗ · Full New York guide · Not legal advice.
Compare with
Aventon Level 4 REC Step-Through
| This e-bike | Level 4 REC Step-Through | |
|---|---|---|
| Step-over | 17.7″ | 17.4″ |
| Total load | — | 300 lb |
| Weight | 48.7 lb | 68.5 lb |
| Top speed | 28 mph | Not published |
Compare with
Pedego Ridge Rider 2
| This e-bike | Ridge Rider 2 | |
|---|---|---|
| Step-over | 17.7″ | 17.7″ |
| Total load | — | 330 lb |
| Weight | 48.7 lb | 71.1 lb |
| Top speed | 28 mph | 20 mph |
