EUROBIKE OBK Mountain Bike with Aluminium Rims 27.5
- Wheel Size: 27.5 inches
- Maximum Weight Recommendation: 300 pounds
- Suspension Type: Front
- Brake Style: Disc
Last refreshed Jun 21, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A budget bike that assembles easily and looks the part, but the suspension and stock seat are known weak points worth planning around.
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ASIN: B07ZV5QSM3Category: Mountain Bikes
More from this brandAll Eurobike mountain bikesOverview
The Eurobike OBK is a 27.5 inch wheel mountain bike with an aluminum frame, front suspension fork, dual disc brakes, and a 21-speed 3x7 drivetrain, sold with the tools needed for home assembly. It's positioned as a budget entry point into mountain bike styling rather than a trail-rated build.
Buyers consistently call assembly quick and the finished bike good looking for its price, but the front suspension draws sharp criticism from at least one reviewer who found it barely moved on real terrain, and the stock tires reportedly separate slightly when inflated. Treat it as a road or light path bike rather than one ready for mountain trails.
- 27.5 inch wheels with aluminum or magnesium rim options
- Dual disc brakes front and rear
- 21-speed drivetrain with front and rear derailleur
- Front suspension fork and tools included for assembly
Pros and cons
- Assembles quickly with included tools
- Disc brakes and shifting perform well for the price
- Looks good and comes in multiple rim color options
- Responsive customer service reported for defective parts
- Front suspension barely moves according to at least one rider
- Stock seat is uncomfortable enough that some buyers replace it
- Tires reportedly shift or separate slightly when inflated
Performance notes
The front suspension fork is the most criticized part, with one rider describing it as barely functional on bumpy terrain.
Specifications
| Brand | Eurobike |
|---|---|
| Dimensions & fit | |
| Wheel Size | 27.5 inches |
| Maximum Weight Recommendation | 300 pounds |
| Item Weight | 35 pounds |
| Capacity & performance | |
| Number Of Speeds | 21 |
| Age Range Description | Adult |
| Construction & materials | |
| Frame Material Type | Alloy Steel |
| Color | Red Aluminium Rims |
| Included components | |
| Included Components | Kickstand |
| Other details | |
| Suspension Type | Front |
| Brake Style | Disc |
| Bike Type | Mountain Bike |
| Specific Uses For Product | Trail |
| Additional Features | Disc |
Frequently asked questions
Is this bike ready to ride out of the box?
No, it ships partially disassembled but includes the tools needed, and most buyers report finishing assembly within an hour or less.
Does the front suspension work well on trails?
Several buyers found it fine for light paths, but at least one rider said it barely absorbed bumps on rougher terrain.
Is the stock seat comfortable?
Multiple buyers replaced the stock seat, describing it as uncomfortable or too hard for longer rides.