Shifting
Mechanical
21 of 801 bicycles with this information use electronic shifting.
Rockrider Trekkingrad 28 Zoll Expl 50 LF niedriger Rahmen grün
1 of 7
Rockrider Trekkingrad 28 Zoll Expl 50 LF niedriger Rahmen grün
1 of 7
- Not published
- €249
- Rigid
- 700c
- 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
-
Frame
Low step-through frame for easy mounting; steel frame with lifetime warranty; curved top tube for comfort
Suspension
-
Fork
Steel rigid fork, 1 1/8 inch threaded
Drivetrain
-
Bottom bracket
Single chainring (steel) 36 teeth
-
Cassette
Freewheel cassette 7 speeds, teeth 14-34
-
Chain
-
Rear derailleur
-
Shifters
Grip shifter, 7-speed
Brakes
-
Brakes
V-brakes with anti-adjustment system
Wheels and tires
-
Rims
Double-walled rims with inner width 19C, theft-proof axles requiring 15mm wrench
-
Spokes
Spoke reflectors included
-
Tires
700 x 47 (47-622), minimum pressure 2.1 bar, maximum pressure 3.5 bar
Cockpit and contact points
-
Grips
Comfort grips
-
Handlebar
Semi-high aluminum handlebar 620mm
-
Headset
1 1/8 inch headset
-
Pedals
Flat pedals with wide surface area for better grip
-
Saddle
Ergofit Trekking 500 saddle, allows 60° torso inclination; seat clamp diameter: 32mm; seatpost diameter: 28.6mm
-
Stem
Height-adjustable stem, length 110mm, 1 1/8 inch headset
Other components
-
Bell
-
Lights
Battery powered lighting (front and rear)
-
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
- Rear sprockets
-
- 7
- Smallest sprocket
-
- 14
- Largest sprocket
-
- 34
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
Technical analysis
How these figures sit among bicycles of the same class and model year. Context, not a ranking.
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 2026 builds
Other models in this family
Published versions from the same family and model year.
Trekkingrad 28 Zoll Expl 50 LF niedriger Rahmen grün
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