Stromer ST3
- $7,499
- 30
- 650b
- 1 × 11
- 382%
- 814
- 32.56
- Aluminum
- Hydraulic disc
Rider height by size (cm)
Size guide- 17"
Components
Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.
Frame and fork
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Frame
6061 Aluminum Alloy
Electric system
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Battery
Weight: 10.4 lbs (4.71 kg), Brand: BQ814 Standard Battery, ST1306A 13INR18/65-6, Voltage: 48 volts, Amp Hours: 15.9 ah (Optional 20.5Ah High Capacity Battery, BQ983), Watt Hours: 814 wh (Optional 983Wh High Capacity Battery, BQ983), Chemistry: Lithium-ion
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Display
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Motor
HM-05
Weight: 11 lbs (4.98 kg), Brand: SYNO Drive II (TDCM HM-05), Type: Rear-Mounted Gearless Direct Drive Hub, Nominal Output: 600 watts (820 Watt Nominal Output for European Licensed L1e-B Version), Torque: 44 Newton meters
Suspension
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Fork
Custom WREN Inverted Air Suspension Fork, 30mm Travel, Manual Pressure Adjust, 36mm Black Anodized Stanchions, Boost 110mm Hub Spacing, 15mm Thru-Axle with 8mm Hex Bolts
Drivetrain
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Cassette
CS-M8000DYNA-SYS11
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Crankset
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Shifters
Brakes
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Brakes
Wheels and tires
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Rims
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Spokes
Stainless Steel, 14 Gauge, Black with Nipples
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Tires
Cockpit and contact points
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Grips
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Handlebar
Custom Aluminum Alloy, 0mm Rise, 20mm Back Sweep, 680mm Width
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Headset
Integrated, Sealed Cartridge, Tapered 1-1/8" to 1-1/2" (44mm to 56mm Outer Diameter)
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Pedals
Aluminum Alloy Platform with Fixed Diamond Pins, B233 K79
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Saddle
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Seatpost
Rigid Aluminum Alloy (Double Bolt Saddle Clamp), Tapered Aluminum Alloy Shim (38.7mm to 31.6mm)
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Stem
Sporty Urban Stem: +5° Rise 105mm Length, Comfortable Urban Comfort Stem +20° Rise 110mm Length, No Spacers, 31.8mm Clam Diameter
Sizes and geometry
Size explorer
Understanding sizes and measurements
Geometry not published
Specifications
Frame and fork
- Intended fit
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- Unisex
- Frame material
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- Aluminum
- Bicycle weight
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- 32.56 kg
- 71.8 lb
Suspension
- Suspension configuration
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- Hardtail
- Front travel
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- 30 mm
Drivetrain
- Front chainrings
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- 1
- Smallest chainring
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- 52
- Largest chainring
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- 52
- Rear sprockets
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- 11
- Smallest sprocket
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- 11
- Largest sprocket
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- 42
- Lowest gear
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- 34.1 in
- Highest gear
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- 130.0 in
Wheels and brakes
- Wheel configuration
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- Same size
- Brake type
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- Hydraulic disc
Fit and controls
- Seatpost
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- Rigid seatpost
- Shifting
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- Mechanical
Electric system
- Battery capacity
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- 814 Wh
Additional specifications
- Battery
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- Weight: 10.4 lbs (4.71 kg), Brand: BQ814 Standard Battery, ST1306A 13INR18/65-6, Voltage: 48 volts, Amp Hours: 15.9 ah (Optional 20.5Ah High Capacity Battery, BQ983), Watt Hours: 814 wh (Optional 983Wh High Capacity Battery, BQ983), Chemistry: Lithium-ion
- Fork spring
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- Air
- Tire width
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- 2.35″
- Wheel material
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- Aluminum
- Wheel size
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- 650b
Gearing
This bicycle
- 13.0
- 49.8
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