Rockrider Trekkingrad 28 Zoll Expl 50 niedriger Rahmen grau
1 of 7
Rockrider Trekkingrad 28 Zoll Expl 50 niedriger Rahmen grau
1 of 7
- Rigid
- 700c
- 1 × 7
- 243%
- Steel
- Rim brake
Rider height by size (cm)
Size guide- SM
- MD
- LG
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
Steel frame with curved top tube for comfort during stop-and-go city riding. Lifetime warranty on steel frame and fork.
Suspension
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Fork
Steel rigid fork (1 1/8 inch threaded). Lifetime warranty on steel frame and fork.
Drivetrain
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Cassette
7-speed freewheel cassette, teeth: 14/34.
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Chain
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Crankset
Single chainring (steel): 36 teeth.
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Rear derailleur
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Shifters
7-speed single chainring drivetrain with intuitive twist-grip shifter.
Brakes
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Brakes
V-Brakes with anti-adjustment system.
Wheels and tires
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Rims
Robust hollow chamber rims, inner width: 19C. Theft-proof wheel axles requiring 15mm wrench for removal.
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Tires
Versatile tires for city and country, size: 700 × 47 (47-622). Minimum pressure: 2 bar, maximum pressure: 4 bar.
Cockpit and contact points
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Handlebar
Semi-high aluminum handlebar (620 mm).
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Headset
1 1/8 inch headset.
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Pedals
Equipped with pedals.
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Saddle
Ergofit Trekking 500 saddle with trekking-specific seating position (60° torso angle). Seat clamp diameter: 32 mm, seatpost diameter: 28.6 mm.
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Stem
Height-adjustable stem for more comfort, length: 110 mm.
Other components
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Bell
-
Fenders
Compatible with fenders (recommended: 8328053).
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Lights
Equipped with battery-powered front/rear lighting.
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Racks
Compatible with most racks (recommended: 8364376 and 8402094).
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Kickstand
Compatible with center stands (recommended: 8172769 and 8367621).
Sizes and geometry
Size explorer
Understanding sizes and measurements
Geometry not published
Specifications
Frame and fork
- Intended fit
-
- Unisex
- Frame material
-
- Steel
- Fork material
-
- Steel
Suspension
- Suspension configuration
-
- Rigid
Drivetrain
- Front chainrings
-
- 1
- Smallest chainring
-
- 36
- Largest chainring
-
- 36
- Rear sprockets
-
- 7
- Smallest sprocket
-
- 14
- Largest sprocket
-
- 34
- Lowest gear
-
- 30.7 in
- Highest gear
-
- 74.6 in
Wheels and brakes
- Wheel configuration
-
- Same size
- Brake type
-
- Rim brake
Fit and controls
- Shifting
-
- Mechanical
Additional specifications
- Tire width
-
- 47c
- Travel
-
- Front: Additional specification: Not available: Yes
- Wheel material
-
- Aluminum
- Wheel size
-
- 700c
Gearing
This bicycle
- 11.8
- 28.6
Lineup changes
The published facts that differ across this family's builds and from the same model a year earlier. Missing information never counts as zero.
Differences across 2025 builds
Other models in this family
Published versions from the same family and model year.
Similar bicycles
Same category, closest configuration.
