STROMER ST1 X Sport Electric Bike
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Turn droll commutes into hair-raising rides on the STROMER ST1 X Sport electric bike. Its sleek design packs 28 MPH of speed, 35 Nm of torque, cloud-based connectivity and a slew of smart features.
Shop similar productsKey Details
E-Bike Classification
Class 3: pedal assist up to 28 mph
Motor
CYRO Drive 500W 35Nm
Battery Capacity (Wh)
618 watt hours
Weight
59 pounds
- CYRO Drive motor generates a formidable 35 Nm of torque and up to 28 MPH of silent speed
- 618Wh battery covers up to 150km (70 mi.); available battery upgrades boost output to 814Wh (90 mi.) and 989Wh (110 mi.); battery upgrade not included
- Battery pack is neatly housed in the frame for a sleek look; battery charges internally or externally via any conventional power outlet
- "Boost" mode propels you uphill at 12.5 MPH without muscle power; "Move" mode rotates the wheel slowly to help you transport the bike up stairs or across the street
- Regenerative braking captures and recycles energy
- Body position is forward but not aggressive, minimizing fatigue
- Low-profile pressure-sensitive color Omni-C touch-screen display works even when you're wearing gloves
- Remote-controlled Theft Mode automatically locks the bike, flashes its lights and texts you should someone attempt to steal your ST1 X
- Cloud-based Omni app allows remote theft protection, GPS tracking, access to custom ride programs, battery level, service records and more
- NOTE: Specs and images are subject to change based on component availability
Imported.
This e-bike comes with Coast to Coast Support, which includes:
New bikes go through a normal break-in period, after which they should be readjusted. All electric bicycles sold at REI include free adjustments for the defined period (one year after purchase date for non-members, or two years for REI Co-op Members)—as many times as you need. Included: derailleur and brake adjustments, lateral wheel truing, hub and headset bearing adjustments, tire inflation, chain lubrication and e-bike firmware updates. Not included: replacement or installation of new components or accessories, any other services. Call your local REI Co-op Bike Shop for more information.
View all STROMER- 1 year of free adjustments (see more below)
- In-store bike assembly
- Pickup in store or curbside
- Bike experts available at 170+ bike shops
- An additional year of free adjustments on e-bikes
- 20% off shop services
- Free tubes with purchase of flat tire repair (Co-op Cycles brand tubes only; tube must be installed at time of purchase)
New bikes go through a normal break-in period, after which they should be readjusted. All electric bicycles sold at REI include free adjustments for the defined period (one year after purchase date for non-members, or two years for REI Co-op Members)—as many times as you need. Included: derailleur and brake adjustments, lateral wheel truing, hub and headset bearing adjustments, tire inflation, chain lubrication and e-bike firmware updates. Not included: replacement or installation of new components or accessories, any other services. Call your local REI Co-op Bike Shop for more information.
| Best Use | Urban Cycling |
|---|---|
| E-Bike Classification | Class 3: pedal assist up to 28 mph |
| Motor | CYRO Drive 500W 35Nm |
| Motor Type | Direct-Drive Hub |
| Motor Torque (Nm) | 35 Newton meters |
| Battery Type | Lithium Ion |
| Battery Capacity (Wh) | 618 watt hours |
| Battery Removable | Yes |
| Charge Time (hrs) | 4 - 8 hours |
| Pedal Assist Range | 75 miles |
| Frame | STROMER alloy |
| Step-Through | No |
| Fork | STROMER alloy |
| Crankset | FSA Omega 52T |
| Bottom Bracket | FSA |
| Shifters | Shimano Deore |
| Front Derailleur | NIL |
| Rear Derailleur | Shimano Deore |
| Rear Cogs | Shimano Deore, 11-42, 10-speed |
| Number of Gears | 10 gear(s) |
| Brake Type | Hydraulic Disc Brake |
| Brakes | Tektro Dorado HD-E715 |
| Brake Levers | Tektro HD822 by TRP |
| Rims | Alex Rims FR30 |
| Front Hub | Formula DC71 |
| Rear Hub | CYRO Drive 500W hub motor |
| Wheel Size | 26 inches |
| Tires | Schwalbe Big Ben, 26 x 2.15 |
| Tire Width | 2.15 inches |
| Handlebar Shape | Flat Bar |
| Handlebar | STROMER custom alloy |
| Stem | STROMER custom alloy |
| Seat Post | STROMER JD-SP100 alloy |
| Saddle | STROMER custom |
| Pedals | STROMER custom plastic |
| Headset | STROMER custom sealed cartridge |
| Chain | FSA N11 10-speed chain |
| Weight | 59 pounds |
| Bike Weight | Bike weight is based on median size, as sold, or the average of two median sizes. |
| Gender | Unisex |
STROMER Bikes (133968)
| 17 IN | 20 IN | 22 IN | |
|---|---|---|---|
| Height Range | <5'9" | 5'9"-6'1" | >6'1" |
| Effective Top Tube | 582mm | 582mm | 605mm |
| Seat Tube Center-Top | 432mm | 508mm | 559mm |
| Head Tube Length | 205mm | 205mm | 205mm |
| Head Tube Angle (degrees) | 70 | 70 | 70 |
| Seat Tube Angle (degrees) | 73 | 73 | 73 |
| Wheelbase | 1074mm | 1074mm | 1097mm |
| Chainstay | 435mm | 435mm | 435mm |
| Fork Offset | 38mm | 38mm | 38mm |
Sizing Notes
All measurements are in millimeters unless otherwise stated
How we measure bikes
- Standover Height Standover Height is a measurement from the ground to the top of the top tube, measured at the midpoint of the top tube.
- Reach Reach is the horizontal distance from the center of the cranks to the center of the head tube, measured at head tube level.
- Stack Stack is the vertical distance from the center of the cranks to the center of the head tube, measured to the top of the head tube.
- Effective Top Tube Effective top tube is the distance from the center of the head tube to the center of the seat tube/seat post, measured parallel to the ground.
- Seat Tube Center to Top Seat Tube length is the measurement of the seat tube, from the center of the cranks to the top of the seat tube.
- Head Tube Length Head Tube Length is measured from the bottom to the top of the head tube.
- Head Tube Angle Head Tube Angle is the acute angle between the head tube and the ground (measured towards the rear of the bike)
- Seat Tube Angle Seat Tube Angle is the acute angle between the seat tube and the ground (measured towards the rear of the bike).
- Bottom Bracket Height Bottom Bracket Height is a measurement taken vertically from the ground up to the center of the cranks.
- Wheelbase Wheelbase is the measurement from the center of the front axle to the center of the rear axle.
- Chainstay Length Chainstay Length is the measurement from the center of the cranks to the center of the rear axle.
- Fork Offset Fork Offset, or rake, is the distance from the front axle to a line drawn parallel to the center of the head tube or steering axis.