Gravity Salire SJ-50 Dirt Jumper vs Gravity FSX 29 HD 1.0 (2026): Key Differences
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This gravity salire sj 50 dirt jumper vs fsx 29 HD 1 0 comparison helps you pick the right bike. Both models come from Gravity and use disc brakes for reliable stopping power. The main difference lies in their suspension and frame construction. The Salire SJ-50 is a rigid-framed dirt jumper with a front suspension fork. The FSX 29 HD 1.0 is a full-suspension mountain bike with an aluminum frame. You need to decide which setup fits your riding style.
Key differences
| Aspect | Gravity Salire Dirt Jumper Medium Bike | Gravity FSX 29 HD 1.0 |
|---|---|---|
| Suspension Type | Front suspension fork | Dual full suspension |
| Frame Material | Reinforced steel | Aluminum |
| Brake Type | Mechanical disc | Hydraulic disc |
| Wheel Size | 26 inch | 29 inch |
| Weight | 30 pounds | 45 pounds |
Which one should you choose?
Choose Gravity Salire Dirt Jumper Medium Bike if
- You want a lighter bike for jumping and tricks.
- You prefer smaller wheels for quick handling.
- You are on a tighter budget for frame materials.
Choose Gravity FSX 29 HD 1.0 if
- You need full suspension for rough trails.
- You want hydraulic brakes for better modulation.
- You are taller and need larger wheels.
Verdict: The Salire SJ-50 is better for dirt jumping and tricks due to its steel frame and lighter weight. The FSX 29 HD 1.0 suits trail riding with its full suspension and hydraulic brakes. Choose based on whether you prioritize jumping or trail comfort.
Salire SJ-50 vs FSX 29 HD 1.0
suspension type
The Gravity FSX 29 HD 1.0 features dual full suspension, combining an advanced long-travel front fork with adjustable rear coil-over shocks. This setup absorbs impacts from both wheels, providing superior control on rough terrain. In contrast, the Gravity Salire SJ-50 Dirt Jumper uses a front suspension fork only. While it offers some comfort for the front wheel, the rear end remains rigid. For riders seeking a smoother ride over bumps and roots, the full suspension system on the FSX provides a significant mechanical advantage.
frame material
Frame construction differs notably between these two models. The FSX 29 HD 1.0 utilizes an aluminum frame, which is generally lighter and more resistant to corrosion than steel. The Salire SJ-50 Dirt Jumper is built with a reinforced steel frame. Steel frames are known for their durability and ability to handle heavy loads, but they typically add weight to the bike. If you prioritize a lighter ride and modern materials, the aluminum construction of the FSX is the stronger choice for performance-oriented riding.
brake type
Both bikes use disc brakes, but the technology varies. The FSX 29 HD 1.0 is equipped with hydraulic disc brakes, which use fluid to transmit force from the lever to the caliper. This system typically offers more consistent stopping power and requires less hand effort. The Salire SJ-50 Dirt Jumper uses mechanical disc brakes, which rely on cables. Mechanical brakes are easier to maintain and adjust in the field, but hydraulic systems generally provide better modulation and stopping power, especially in wet conditions.
wheel size
Wheel diameter affects how the bike rolls over obstacles. The FSX 29 HD 1.0 uses 29-inch wheels, which maintain momentum better and roll over roots and rocks with less resistance. This size is standard for modern trail riding. The Salire SJ-50 Dirt Jumper features 26-inch wheels. Smaller wheels can be more agile and easier to maneuver in tight spaces, but they may struggle more with maintaining speed over rough ground. The larger wheels on the FSX offer better traction and stability on varied terrain.
weight
Weight impacts how easy the bike is to lift and accelerate. The Salire SJ-50 Dirt Jumper weighs 30 pounds, making it significantly lighter than the FSX 29 HD 1.0, which weighs 45 pounds. The heavier weight of the FSX is due to its dual suspension system, larger frame, and additional components. If you plan to carry your bike up stairs or need a lighter bike for easier handling, the Salire is the clear winner. The extra weight of the FSX is the trade-off for its advanced suspension capabilities.
Which bike fits your riding style
Beginner on a tight budget
The Gravity Salire SJ-50 Dirt Jumper offers an entry-level price point with a reinforced steel frame. Its 26-inch wheels and mechanical disc brakes provide straightforward maintenance and reliable stopping power. The 30-pound weight makes it easy to handle for new riders learning basic techniques on flat ground.
Rider seeking full suspension comfort
The FSX 29 HD 1.0 features dual full suspension with adjustable rear coil-over shocks. This setup absorbs impacts from both wheels, offering superior control on rough terrain. The aluminum frame keeps the 45-pound bike manageable while the hydraulic disc brakes ensure consistent performance in various weather conditions.
Taller rider needing large frame
The FSX 29 HD 1.0 is available in a 19-inch large size, fitting riders between 5 feet 11 inches and 6 feet 2 inches. This ensures a proper standover height of 30.6 inches. The larger 29-inch wheels also provide better rollover capability for taller cyclists on technical trails.
The products compared
Gravity Salire Dirt Jumper Medium Bike
Best for: beginners learning dirt jumps
- 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 Salire SJ-50 is a medium-sized dirt jumper built for entry-level riders. It features a reinforced steel frame and 26-inch wheels with Small Block 8 tires. A VAXA 100mm suspension fork absorbs trail bumps, while mechanical disc brakes provide reliable stopping power. At 30 pounds, it offers a sturdy platform for learning jumps and basic trail riding.
Pros
- Reinforced steel frame for durability
- VAXA 100mm suspension fork
- Mechanical disc brakes
- Small Block 8 tires
Cons
- Steel frame adds weight at 30 pounds
- Only front suspension, no rear shock
- 26-inch wheels limit rollover capability
Good fit if
- You want a durable steel frame
- You prefer smaller 26-inch wheels
- You are learning dirt jumping
Skip if
- You need rear suspension
- You want lightweight aluminum
- You ride technical trails
Verdict: The Gravity Salire SJ-50 Medium is a sturdy entry point for beginners. It suits riders who prioritize durability and simple mechanics over speed and advanced suspension travel.
Gravity FSX 29 HD 1.0
Best for: Tall riders needing full suspension
- 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 trail riding. It features an aluminum frame and 29-inch wheels for stability. You get genuine Shimano drivetrain components and adjustable rear coil-over shocks. This 19-inch large model fits riders between 5'11" and 6'2". Hydraulic disc brakes provide reliable stopping power for controlled descents.
Pros
- Dual full suspension system with adjustable rear coil-over shocks
- Genuine Shimano drive train for reliable shifting
- Powerful hydraulic disc brakes
- 29-inch wheels for improved rollover capability
Cons
- Heavier build at 45 pounds
- Limited color options available
- Only one size fits the 5'11" to 6'2" range in this listing
Good fit if
- You are a taller rider between 5'11" and 6'2"
- You want full suspension for rough terrain
- You prefer hydraulic disc brakes
Skip if
- You are shorter than 5'11"
- You need a lightweight carbon frame
- You want multiple color choices
Verdict: Gravity FSX 29 HD 1.0 suits taller riders seeking full suspension and Shimano components for trail use. It is a solid option for those prioritizing shock adjustability and brake power over low weight.
Specifications side by side
| Spec | Gravity Salire Dirt Jumper Medium Bike | Gravity FSX 29 HD 1.0 |
|---|---|---|
| Wheel Size | 26" | 29 |
| Suspension Type | Front suspension | Dual Full Suspension |
| Frame Material | Reinforced steel | Aluminum |
| Brake Type | Mechanical disc | Hydraulic Disc Brakes |
| Size | Medium | 19in Lrg | Standover 30.6 | fits* 5'11" to 6'2" |
| Weight | 30 pounds | 45 pounds |
| Width | not stated | 8 inches |
| Height | not stated | 30 inches |
| Color | Red | Matt Black |
| Model | SJ-50 | fsxhd1 |
Frequently asked questions
Is the Gravity Salire SJ-50 suitable for tall riders?
No, the Salire SJ-50 is not ideal for tall riders. It comes in a Medium size, which is better suited for beginners learning dirt jumps. If you are taller, the FSX 29 HD 1.0 offers a Large frame that fits riders between 5'11" and 6'2". This larger size provides better standover clearance and geometry for taller frames.
Which bike weighs less, the Salire or the FSX?
The Gravity Salire SJ-50 weighs less at 30 pounds. The FSX 29 HD 1.0 is heavier, tipping the scales at 45 pounds. The weight difference stems from the FSX's full suspension system and aluminum frame construction. The Salire uses a simpler steel frame design, making it lighter but less advanced in terms of shock absorption.
Does the FSX 29 HD 1.0 have full suspension?
Yes, the FSX 29 HD 1.0 features full suspension. It combines a long-travel front fork with adjustable rear coil-over shocks. This setup helps absorb impacts from both wheels, providing better control on rough terrain. The Salire SJ-50 lacks this feature, focusing instead on durability and simple mechanics for dirt jumping.
What frame material does the FSX 29 HD 1.0 use?
The FSX 29 HD 1.0 uses an aluminum frame. This material choice contributes to its sturdy build, though it also adds to its 45-pound weight. The Salire SJ-50, in contrast, utilizes a reinforced steel frame. Aluminum offers a different balance of strength and weight compared to the steel construction found on the dirt jumper model.
Which bike is better for trail riding?
The FSX 29 HD 1.0 is better for trail riding. Its full suspension and larger 29-inch wheels handle rough terrain more effectively. The Salire SJ-50 is designed for dirt jumps and beginners. It prioritizes durability and simple mechanics over the speed and advanced suspension travel needed for varied trail conditions.
What size is the FSX 29 HD 1.0 frame?
The FSX 29 HD 1.0 comes in a Large size, specifically noted as 19 inches. It is designed to fit riders between 5'11" and 6'2". The standover height is 30.6 inches. This sizing makes it a solid option for taller riders seeking full suspension and Shimano components for trail use.
Is the Salire SJ-50 good for beginners?
Yes, the Salire SJ-50 is a sturdy entry point for beginners. It is best for riders learning dirt jumps who prioritize durability. The bike offers simple mechanics and reliable stopping power. It suits those who do not need advanced suspension travel, making it a practical choice for mastering basic dirt jump techniques.

