EUROBIKE OBK G4 Full Suspension Folding Mountain Bike
- Size: 27.5 inches
- Wheel Size: 27.5 inches
- Minimum User Height: 66.9 inches
- Maximum Weight Recommendation: 300 pounds
Last refreshed Jun 21, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A solidly built folding mountain bike for the price, with smooth shifting and working suspension, as long as you're prepared to finish assembly and swap the seat.
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ASIN: B097GVXZDGModel: G4/G6Category: Mountain Bikes
More from this brandAll Eurobike mountain bikesOverview
The OBK G4/G6 is a 26/27.5 inch folding mountain bike with front and rear suspension and a 21-speed Shimano 3x7 drivetrain. It hinges down for storage in a car trunk or closet and is built for men and women riders.
- Wheel size listed as both 26 and 27.5 inch across the listing
- 3-spoke aluminum mag wheels
- Unisex frame geometry sized for men and women
- Ships partially disassembled with tools included
Who it's for
Not a fit for anyone chasing a lightweight race bike or expecting showroom-ready assembly out of the box.
Pros and cons
- Smooth-shifting 21-speed Shimano drivetrain
- Front and rear suspension soaks up rough terrain
- Disc brakes with strong stopping power
- Folds down for trunk or closet storage
- Stock seat is hard on longer rides
- Folding mechanism can be stiff on some units
- Heavier than a non-suspension folding bike
- Requires assembly; some parts arrive misaligned
Specifications
| Brand | Eurobike |
|---|---|
| Model | G4/G6 |
| Dimensions & fit | |
| Size | 27.5 inches |
| Wheel Size | 27.5 inches |
| Minimum User Height | 66.9 inches |
| Maximum Weight Recommendation | 300 pounds |
| Item Weight | 40 pounds |
| Capacity & performance | |
| Number Of Speeds | 21 |
| Bicycle Drivetrain Type | chain drive |
| Bicycle Gear Shifter Type | Trigger |
| Age Range Description | Adult |
| Power & efficiency | |
| Power Source | Pedal |
| Construction & materials | |
| Frame Material Type | Alloy Steel |
| Included components | |
| Unit Count | 1 |
| Included Components | Kickstand |
| Warranty & support | |
| Warranty Type | Limited |
| Other details | |
| Suspension Type | Dual |
| Brake Style | Disc |
| Intended Riding Terrain | Mountain Terrain, Unpaved Trails |
| Derailleur Configuration | Front And Rear |
| Is Assembly Required | Yes |
| Specific Uses For Product | Gravel |