Gravity FSX 27.5 LTD Dual Suspension Mountain Bike
- Size: 19 inches
- Minimum User Height: 72.8 inches
- Suspension Type: Dual, Front, Rear
- Brake Style: Disc
Last refreshed Jun 21, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
Budget for a pedal swap.
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ASIN: B08JWY5TYPModel: FSX 27.5 LTDCategory: Mountain Bikes
Colors Available
Sizes Available
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Overview
A 27.5 inch full-suspension mountain bike with a 21-speed drivetrain, lockout front fork, and mechanical disc brakes. Ships unassembled and needs tuning before its first ride.
The frame, suspension and disc brakes get more consistent praise, with one owner converting the bike into a mid-drive ebike after months of use. Given the mixed 3.5 rating, this reads as a bike where the frame and running gear outperform its cheapest components.
- 27.5 inch (650b) wheels
- 21-speed drivetrain
- Lockout front fork
- Adjustable rear suspension
Who it's for
Fits riders replacing an old department-store bike who want real front and rear suspension with mechanical disc brakes on a budget. Less suited to anyone who cannot tolerate swapping out pedals or doing their own gear and brake calibration after assembly.
Pros and cons
- Mechanical disc brakes need no fluid maintenance
- 27.5 inch wheels balance stability and agility
- Stock pedals reported stripping or breaking early
- Requires assembly and gear calibration
- No kickstand included
Specifications
| Brand | Quality |
|---|---|
| Model | FSX 27.5 LTD |
| Dimensions & fit | |
| Size | 19 incheslower than 81% of 49 mountain bikes |
| Minimum User Height | 72.8 incheshigher than 98% of 46 mountain bikes |
| Capacity & performance | |
| Number Of Speeds | 21 |
| Bicycle Drivetrain Type | Derailleur |
| Bicycle Gear Shifter Type | Trigger |
| Age Range Description | Adult |
| Power & efficiency | |
| Power Source | Manual |
| Construction & materials | |
| Frame Material Type | Aluminum |
| Wheel Material | Aluminum |
| Color | Matt Black |
| Included components | |
| Unit Count | 1 |
| Included Components | Lock |
| Warranty & support | |
| Warranty Type | Limited |
| Other details | |
| Suspension Type | Dual, Front, Rear |
| Brake Style | Disc |
| Bike Type | Mountain Bike |
| Intended Riding Terrain | Mountain Terrain |
| Derailleur Configuration | Front And Rear |
| Skill Level | Intermediate |
| Is Assembly Required | Yes |
| Model Year | 2025 |
| Number of Handles | 2 |
| Is Autographed | No |
| Specific Uses For Product | Trail |
| Style Name | Mountain Bike |
| Additional Features | 21 Speed, Aluminum Frame, Dual Suspension |
Closest rivals on specs
EUROBIKE YH-S7 Full Suspension Mountain Bike- Minimum User Height 72.8 vs 66 inches (+10%)
Mongoose Malus Fat Tire Mountain Bike 26 Inch- Minimum User Height 72.8 vs 64 inches (+14%)
Frequently asked questions
What wheel size does the Gravity FSX 27.5 use?
27.5 inch (650b) wheels with a lockout fork.