Best SB Fitness Equipment Treadmills: 3 Models Compared

Quick picks

Our 3 picks

1 Best overall

SB Fitness Self-Generated Curved Treadmill

Best for: manual high-intensity interval training

Maximum Speed

No maximum speed

Display Type

Digital display

Dimensions

72 × 31 × 62 inches

Weight

145 pounds

View on Amazon: SB Fitness Self-Generated Curved Treadmill Affiliate link

The SB Fitness CT400 is a self-generated curved treadmill designed for high-intensity workouts. It features a 31-inch wide deck and a digital display tracking time, distance, speed, and calories. The unit offers three resistance levels and flexible track slats for shock absorption. Its non-motorized design means speed depends on your effort. This model suits those seeking a durable, commercial-grade machine for running or HIIT training without relying on electricity.

Pros

• Self-generated power requires no electricity
• Three adjustable resistance levels
• Flexible track slats for shock absorption
• Digital display tracks key metrics

Cons

• No maximum speed limit means speed varies by user
• Lacks motorized incline adjustment
• No built-in heart rate monitoring sensors

Good fit if

• You want a manual treadmill for HIIT
• You prefer a non-motorized workout
• You need a wide running deck

Skip if

• You need preset speed programs
• You require motorized incline control
• You want a compact folding design

Verdict: SB Fitness CT400 Curved Treadmill fits users who want a manual, self-powered machine for intense interval training. Its wide deck and resistance levels support serious running workouts without electricity.

2 Best budget

SB Fitness Curved Manual Treadmill

Best for: Manual curved running with magnetic resistance

Display Type

Backlit LCD

Dimensions

70 × 34 × 57 inches

View on Amazon: SB Fitness Curved Manual Treadmill Affiliate link

The SB Fitness CT550 is a self-generated curved treadmill designed for home use. It features a 20-inch wide running surface and an 11-inch step-up height for comfortable access. You can adjust intensity using 8 levels of magnetic resistance. A backlit LCD display tracks time, speed, distance, calories, and heart rate. The unit includes a water bottle holder and requires no external power.

Pros

• 20-inch wide running surface
• 8 levels of magnetic resistance
• Backlit LCD display tracks key metrics
• Self-generated power for energy efficiency
• Built-in water bottle holder

Cons

• Larger footprint at 70 inches long
• Only tracks heart rate, not pulse
• No app or remote connectivity

Good fit if

• You want a manual curved treadmill
• You prefer a wide running deck
• You need magnetic resistance levels

Skip if

• You need a motorized treadmill
• You require Bluetooth connectivity
• You have limited floor space

Verdict: The SB Fitness CT550 Curved Treadmill suits users seeking a manual, self-powered workout with adjustable resistance and a wide deck. It is ideal for those who value space-efficient energy use over digital tracking.

3 Best premium

SB Fitness CT700 Curved Treadmill

Best for: High-intensity interval training and sprinting

Maximum Speed

no maximum speed

Running Surface

66.5 x 19 in

Display Type

Digital display

Dimensions

78 × 34 × 62 inches

Weight

308 pounds

View on Amazon: SB Fitness CT700 Curved Treadmill Affiliate link

The SB Fitness Equipment CT700 is a self-generated manual curved treadmill. It features a 66.5 by 19 inch running surface and 8 resistance levels. The digital display tracks time, distance, speed, calories, and total miles. You get quick speed adjustments for sprinting without a maximum speed limit. This heavy unit suits those wanting durable, high-intensity training equipment.

Pros

• Self-generated power requires no electricity
• 8 levels of resistance for varied intensity
• 66.5 x 19 inch spacious running track
• Digital display shows speed, distance, and calories

Cons

• Weighs 308 pounds, making it very heavy
• No motor means you must drive the belt
• No heart rate sensors listed in specs

Good fit if

• You want a manual treadmill for HIIT
• You need a wide running surface for safety
• You prefer self-powered exercise equipment

Skip if

• You need a motorized treadmill for jogging
• You have limited floor space for a large unit
• You want built-in heart rate monitoring

Verdict: SB Fitness CT700 Curved Treadmill is a robust manual option for high-intensity interval training. It fits users who prioritize a wide track and adjustable resistance over motorized convenience.

Specifications side by side

SB Fitness Equipment Treadmill Models Compared

The SB Fitness lineup centers on manual, self-powered curved treadmills. These units do not require electricity, relying on your movement to drive the belt. Each model offers a distinct deck width and footprint, allowing you to choose based on your available space and training intensity. The CT400 and CT700 are built for serious high-intensity interval training, while the CT550 provides a more compact option for budget-conscious users. You can compare these three models to find the right fit. The CT400 features a 31-inch deck, whereas the CT550 and CT700 offer a wider 34-inch running surface. Weight capacity varies significantly, with the CT700 weighing 308 pounds for stability. Choose the CT400 for balanced performance, the CT550 for space efficiency, or the CT700 for maximum durability during sprints.

Who SB Fitness Equipment Suits

SB Fitness Equipment targets runners who prefer manual, self-powered curved treadmills. The range spans three models, from the 31-inch wide CT400 to the 34-inch wide CT550 and CT700. All units are black, with the CT550 adding red accents. You will find options for various deck lengths, ranging from 70 to 78 inches, and heights up to 62 inches. The CT700 is notably heavy at 308 pounds. This brand does not offer motorized or electric models. You also will not find digital displays or app connectivity in this lineup. These machines are built for intense intervals and sprinting without electricity.

Choosing the Right SB Fitness Treadmill

1. Check Deck Width

   Deck width affects your stability and stride comfort. The CT400 offers a 31-inch width, which is sufficient for most runners. If you prefer a wider platform for a more confident stride, consider the CT550 or CT700. Both provide a 34-inch deck. A wider belt reduces the risk of stepping off the edge during intense intervals. Measure your usual stride length to ensure you feel secure. Choose the narrower model if space is tight, or the wider one for maximum safety.

2. Assess Footprint Size

   Manual curved treadmills require significant floor space. The CT400 measures 72 inches long and 62 inches high. The CT550 is slightly shorter at 70 inches but stands lower at 57 inches. The CT700 is the largest, reaching 78 inches in length. Measure your workout area carefully before purchasing. Ensure you have extra clearance behind and beside the unit for safe mounting and dismounting. A smaller footprint suits apartments, while larger rooms can accommodate the CT700. Plan your layout to avoid cramped movements during sessions.

3. Consider Unit Weight

   Heavier units offer more stability during high-speed sprints. The CT400 weighs 145 pounds, making it manageable for moving. The CT700 is significantly heavier at 308 pounds. This extra mass helps keep the machine steady when you push hard. If you plan intense sprinting, the heavier CT700 provides better grounding. Lighter models may shift slightly under extreme load. Check your floor strength if placing the heavier unit on upper floors. Weight impacts both stability and portability. Choose based on your intensity level and moving needs.

4. Match Intended Use

   Select a model based on your primary workout style. The CT400 is ideal for general manual high-intensity interval training. It balances width and size well. The CT550 suits those who want magnetic resistance adjustments. This feature allows you to control intensity without a motor. The CT700 is built for serious sprinting and high-output intervals. Its robust build handles aggressive use. If you focus on steady jogging, any model works. For explosive sprints, prioritize the wider and heavier options. Align the spec with your training goals for best results.

5. Verify Height Clearance

   Curved treadmills have a unique profile that affects ceiling height. The CT400 and CT700 both stand 62 inches tall. The CT550 is shorter at 57 inches. Ensure your room has enough vertical space. You need clearance above the belt for safety and form. Low ceilings may make the taller models feel restrictive. Measure from the floor to the lowest point above the machine. The CT550 fits better in rooms with lower ceilings. Proper height clearance ensures comfortable running form. Always measure your space before finalizing your choice.

Frequently asked questions

See also

• sb fitness equipment ct400 self generated curved vs sb fitness ct550
• sb fitness equipment ct400 self generated curved review
• best SB Fitness Equipment treadmills
• xghwnpd fitness equipment fitness equipment review