Best Gravity Mountain Bikes: 4 Models Compared
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Finding the best gravity mountain bikes requires looking at the specific specs Gravity publishes for each model. This guide compares 4 bikes from the brand, ranked strictly by their listed data. Gravity offers a range that includes durable steel dirt jumpers, full-suspension trail bikes, and fat-tire options for varied rider needs. The top pick is the Gravity Salire Dirt Jumper Medium Bike, which leads for its heavy-duty steel build suited for park riding. We evaluated each listing’s weight, size, and frame material to help you choose the right tool for your terrain.
Quick picks
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | Gravity Salire Dirt Jumper Medium Bike Best overall | Durable steel dirt jumping and park riding | Check price of Gravity Salire Dirt Jumper Medium Bike on Amazon |
| 2 | Gravity FSX 1.0 Full Suspension Mountain Bike Best budget | budget-conscious trail riders | Check price of Gravity FSX 1.0 Full Suspension Mountain Bike on Amazon |
| 3 | Gravity FSX 29 HD 1.0 Also great | Tall riders seeking full suspension for gravity trails | Check price of Gravity FSX 29 HD 1.0 on Amazon |
| 4 | Gravity Monster 26" Fat Tire Bike Best premium | shorter men seeking stability | Check price of Gravity Monster 26" Fat Tire Bike on Amazon |
Our 4 picks
Gravity Salire Dirt Jumper Medium Bike
Best for: Durable steel dirt jumping and park riding
- Wheel Size
- 26"
- Suspension Type
- Front suspension
- Frame Material
- Reinforced steel
- Brake Type
- Mechanical disc
- Size
- Medium
- Weight
- 30 pounds
View on Amazon: Gravity Salire Dirt Jumper Medium Bike Affiliate link
The Gravity SJ-50 is a dirt jumper built for durability and style. It features a reinforced steel frame and 26-inch wheels with Small Block 8 tires. The VAXA 100mm suspension fork absorbs bumps, while mechanical disc brakes provide reliable stopping power. Weighing 30 pounds, this medium-sized bike is a sturdy option for riders who prioritize toughness and classic geometry over modern lightweight materials.
Pros
- Reinforced steel frame for high durability
- VAXA 100mm suspension fork absorbs trail impacts
- Mechanical disc brakes offer consistent stopping power
- Small Block 8 tires provide strong traction
Cons
- Heavier 30-pound weight compared to aluminum models
- Steel frame is less efficient for long climbs
- Only front suspension limits rear-wheel control
Good fit if
- You want a durable steel frame for park riding
- You prefer the classic feel of 26-inch wheels
- You need reliable mechanical disc brakes
Skip if
- You prioritize lightweight aluminum construction
- You need full suspension for rough terrain
- You require larger 29-inch wheels for speed
Verdict: The Gravity SJ-50 26" Steel Dirt Jumper is a heavy-duty choice for riders who value steel durability and 26-inch wheel agility. It suits those who ride parks or jumps and do not mind the extra weight for a tougher build.
Gravity FSX 1.0 Full Suspension Mountain Bike
Best for: budget-conscious trail riders
- Suspension Type
- Dual Full Suspension
- Frame Material
- Aluminum
- Brake Type
- Disc Brakes
- Dimensions
- 52 × 8 × 31 inches
- Weight
- 27 pounds
View on Amazon: Gravity FSX 1.0 Full Suspension Mountain Bike Affiliate link
The Gravity FSX 1.0 is a dual full suspension mountain bike built for rough terrain. It features a durable aluminum frame and disc brakes for reliable stopping power. The front and rear suspension absorbs bumps, making it suitable for trails. This 17-inch model weighs 27 pounds. It is a practical option for riders seeking full suspension at a budget-friendly price point.
Pros
- Dual full suspension for front and rear bump absorption
- Aluminum frame for durability and lighter weight
- Disc brakes for consistent stopping power
- Adjustable suspension settings for trail customization
Cons
- Requires assembly before first ride
- 27-pound weight is heavier than premium carbon models
- 17-inch frame size limits fit for taller riders
Good fit if
- You want full suspension for trail comfort
- You prefer aluminum frames for maintenance ease
- You need disc brakes for wet conditions
Skip if
- You are taller than 5'10" and need a larger frame
- You want a lightweight carbon fiber build
- You prefer a rigid hardtail for cross-country racing
Verdict: Gravity FSX 1.0 17in Dual Suspension offers accessible full suspension for entry-level trail riders. It suits those prioritizing bump absorption over weight savings. This bike is a solid entry point for gravity-focused riding on a budget.
Gravity FSX 29 HD 1.0
Best for: Tall riders seeking full suspension for gravity trails
- Wheel Size
- 29
- Suspension Type
- Dual Full Suspension
- Frame Material
- Aluminum
- Brake Type
- Hydraulic Disc Brakes
- Width
- 8 inches
- Height
- 30 inches
View on Amazon: Gravity FSX 29 HD 1.0 Affiliate link
The Gravity FSX 29 HD 1.0 is a dual full suspension mountain bike built for riders between 5'11" and 6'2". It features 29-inch wheels and an aluminum frame for durability and rolling efficiency. You get a genuine Shimano drivetrain and powerful hydraulic disc brakes for reliable stopping power. The adjustable rear coil-over shocks and advanced long-travel forks help absorb rough terrain. This model is designed for aggressive trail riding and gravity-focused descents.
Pros
- Dual full suspension with adjustable rear coil-over shocks
- Powerful hydraulic disc brakes for consistent stopping
- Genuine Shimano drivetrain for reliable shifting
- Advanced long-travel front forks for rough terrain
Cons
- Heavier build at 45 pounds compared to lighter race bikes
- Limited color options with only Matt Black available
- Large frame size fits riders 5'11" to 6'2" only
Good fit if
- You are 5'11" to 6'2" tall
- You want a full suspension bike for gravity trails
- You prefer hydraulic disc brakes for better control
Skip if
- You are under 5'11" or over 6'2" tall
- You need a lightweight cross-country race bike
- You want multiple color choices for your bike
Verdict: The Gravity FSX 29 HD 1.0 Full Suspension is a solid choice for taller riders seeking durable full-suspension performance on gravity trails. It suits those who prioritize reliable braking and shock adjustability over low weight.
Gravity Monster 26" Fat Tire Bike
Best for: shorter men seeking stability
- Wheel Size
- 26"
- Frame Material
- Aluminum
- Brake Type
- Disc Brakes
- Number of Speeds
- 16 Speed
- Tire Width
- 4"
- Target Audience
- Mens
View on Amazon: Gravity Monster 26" Fat Tire Bike Affiliate link
This Gravity Bullseye Monster is a men's fat tire bike built for off-road riding. It features a 14-inch aluminum frame that fits riders between 5'4" and 5'7". The 26-inch wheels are paired with wide 4-inch tires for stability. You get a 16-speed drivetrain and disc brakes for control. Weighing 40 pounds, it is a sturdy option for rough terrain.
Pros
- Aluminum frame construction
- Wide 4-inch fat tires
- 16-speed drivetrain
- Disc brakes
Cons
- Heavier 40-pound build
- Smaller 26-inch wheel size
- Requires partial assembly
Good fit if
- You are between 5'4" and 5'7" tall
- You want stability from wide tires
- You need reliable disc braking
Skip if
- You are taller than 5'7"
- You prefer lightweight aluminum bikes
- You want larger 29-inch wheels
Verdict: Gravity Bullseye Monster 26x4 Fat Tire Bike is a solid choice for shorter men who prioritize tire width and braking power over low weight or large wheels.
Specifications side by side
| Spec | Gravity Salire Dirt Jumper Medium Bike | Gravity FSX 1.0 Full Suspension Mountain Bike | Gravity FSX 29 HD 1.0 | Gravity Monster 26" Fat Tire Bike |
|---|---|---|---|---|
| Wheel Size | 26" | not stated | 29 | 26" |
| Suspension Type | Front suspension | Dual Full Suspension | Dual Full Suspension | not stated |
| Frame Material | Reinforced steel | Aluminum | Aluminum | Aluminum |
| Brake Type | Mechanical disc | Disc Brakes | Hydraulic Disc Brakes | Disc Brakes |
| Number of Speeds | not stated | not stated | not stated | 16 Speed |
| Tire Width | not stated | not stated | not stated | 4" |
| Target Audience | not stated | not stated | not stated | Mens |
| Tire Type | not stated | not stated | not stated | Fat Tires |
| Size | Medium | 17" | 19in Lrg | Standover 30.6 | fits* 5'11" to 6'2" | 14" fits most 5'4" to 5'7" |
| Weight | 30 pounds | 27 pounds | 45 pounds | 40 pounds |
| Dimensions | not stated | 52 × 8 × 31 inches | not stated | not stated |
| Width | not stated | not stated | 8 inches | not stated |
| Height | not stated | not stated | 30 inches | not stated |
| Color | Red | White | Matt Black | Stealth Dark Gray |
| Model | SJ-50 | fsx 1.0 | fsxhd1 | Bullseye Monster |
Gravity Bike Lineup Overview
You can choose between rigid frames and full suspension models. The Salire SJ-50 uses a steel frame for dirt jumping. It weighs 30 pounds. The FSX 1.0 offers full suspension for trail riding. It weighs 27 pounds. The FSX 29 HD 1.0 also features full suspension. It weighs 45 pounds. The Monster uses fat tires for stability. It weighs 40 pounds.
Suspension type matters most for comfort. Rigid bikes suit park riders. Full suspension suits trail riders. Tire width affects grip. Fat tires suit loose terrain. Frame material impacts durability. Steel and aluminum are common. Size fits your height. Choose the model that matches your riding style and body dimensions.
Who Gravity Bikes Suit
Gravity’s current lineup targets specific gravity riding styles. You can choose a steel dirt jumper for park agility or full-suspension models for trail bump absorption. The range covers sizes from 14 inches for shorter riders up to 19 inches for those taller than five foot eleven. Weight varies significantly, from 27 pounds on the entry-level FSX 1.0 to 45 pounds on the FSX 29 HD. Note that no rigid 29-inch models or carbon frames appear in this list. You must select based on your height and whether you prioritize durability over weight.
If you prefer motor assistance for climbing between downhill runs, review specifications for the best mountain electric bikes.
How to Choose the Right Gravity Bike
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Check Suspension Type
You must decide between rigid and full suspension based on your terrain. The Salire SJ-50 uses a rigid steel frame, making it ideal for dirt jumps where agility matters. Full suspension models like the FSX 1.0 absorb trail bumps effectively. Choose rigid for park riding and full suspension for rough trails. This choice defines how the bike handles impacts and maintains traction during your rides.
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Verify Frame Material
Frame material affects durability and weight significantly. The Salire SJ-50 features a steel frame, offering toughness for aggressive dirt jumping at 30 pounds. The FSX 29 HD 1.0 uses an aluminum frame for lighter full-suspension performance. Aluminum suits riders seeking reliable braking and shock adjustability without excessive weight. Steel provides extra durability for park riding. You should match the material to your preferred riding style and impact level.
-
Match Tire Width
Tire width impacts stability and traction on varied surfaces. The Monster 26 Fat Tire Bike uses wide tires for enhanced stability, weighing 40 pounds. This design suits shorter men seeking control over speed. Standard tires on models like the FSX 1.0 offer agility on trails. Wide tires absorb more vibration but add weight. You should select tire width based on whether you prioritize steady control or nimble handling on technical terrain.
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Select Proper Size
Correct sizing ensures comfort and control. The FSX 29 HD 1.0 comes in a 19-inch large size, fitting riders from 5'11" to 6'2". The Monster fits sizes from 14 inches for riders between 5'4" and 5'7". The Salire SJ-50 is available in Medium. You must check standover height and fit ranges. Choosing the right size prevents discomfort and improves handling. Always compare your height to the specified fit range before purchasing.
-
Consider Target Audience
Bikes are designed for specific rider profiles. The Monster is labeled for men, focusing on stability for shorter frames. The FSX 1.0 targets budget-conscious trail riders. The Salire SJ-50 suits those who value steel durability. You should identify your primary riding focus. Budget riders may prefer the FSX 1.0. Those needing durability for jumps should look at the Salire. Matching the bike to your specific needs ensures better performance and satisfaction.
Frequently asked questions
What is the best gravity mountain bike for dirt jumping?
The Gravity Salire SJ-50 is the top choice for dirt jumping. It features a durable steel frame designed for park riding and jumps. The medium size offers agility with 26-inch wheels. This model weighs 30 pounds, providing a tough build that absorbs impact well for riders who prioritize durability over lightweight performance.
Which Gravity bike is best for budget-conscious trail riders?
The Gravity FSX 1.0 is the best budget option for trail riding. It offers full suspension to absorb bumps on rough terrain. The 17-inch frame weighs just 27 pounds, making it accessible for entry-level riders. You get reliable bump absorption without the higher cost associated with premium suspension systems, making it a solid entry point.
Are there full suspension options for taller riders on gravity trails?
Yes, the Gravity FSX 29 HD 1.0 suits taller riders seeking full suspension. It fits riders from 5'11" to 6'2" with a 19-inch large frame. The aluminum frame provides durability for gravity trails. This bike prioritizes reliable braking and shock adjustability, offering a stable platform for taller users who need more standover clearance and control.
What is the best Gravity bike for shorter men?
The Gravity Bullseye Monster 26x4 Fat Tire Bike is ideal for shorter men. It features a 14-inch frame that fits riders from 5'4" to 5'7". The wide fat tires provide stability and traction. This model weighs 40 pounds, offering braking power and a stable ride for those who prioritize width and control over wheel size or low weight.
How do the weights of Gravity gravity bikes compare?
Gravity bikes vary significantly in weight based on their design. The FSX 1.0 is the lightest at 27 pounds, suitable for trail agility. The Salire SJ-50 weighs 30 pounds, offering steel durability. The FSX 29 HD 1.0 is heavier at 45 pounds for stability. The Bullseye Monster weighs 40 pounds, balancing fat tire traction with frame strength.
What frame materials does Gravity use in its lineup?
Gravity uses both steel and aluminum frames across its models. The Salire SJ-50 dirt jumper features a steel frame for maximum durability and impact resistance. The FSX 29 HD 1.0 and Bullseye Monster utilize aluminum frames. These materials offer different benefits, with steel providing toughness for jumps and aluminum offering a lighter structure for trail and fat tire riding.



