ASUNA Sabre Indoor Cycling Bike 7100

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285 lbsManual
Frame: 5 years
Parts: 90 days

The ASUNA Sabre is one of the newest indoor cycling bikes from Sunny Health & Fitness for 2017. Just like the other ASUNA bike models, the Sabre is a commercial grade bike. It features a magnetic resistance system just like the ASUNA Lancer; however, the Sabre model has the brake and the flywheel placed at the front. In other words, it’s a front-drive exercise bike.

Technical Details and Specifications

  • Assembled dimensions: 41L x 25.5W x 44.5H inches (104L x 65W x 113H cm)
  • Assembled weight: 101.7 lbs (46kg)
  • Flywheel weight: 33 lbs (15 kg)
  • Supported weight: 285 lbs (129 kg)
  • Handlebars: 4-way adjustable
  • Seat: 4-way adjustable
  • Pedals: Dual-action (SPD clips + toe cages)
  • Drive mechanism: Belt
  • Resistance: Manual magnetic
  • Fitness meter: Not included
  • Bottle holder: Included
  • Warranty: Frame 5 years / Parts 90 days

Frame construction

The frame construction of the ASUNA Sabre 7100 indoor cycling trainer is similar to the ActionLine A84016 Pro. It’s an all-steel frame, double coated with an industrial-grade corrosion-resistant and scratch-resistant powder finish. The color used is silver, this being the only color available for this exercise bike. The only plastic parts in the bike’s construction are the belt guard, the brake guard, and several other small covers, which don’t play any role in its overall sturdiness.

Speaking of sturdiness, this bike is rated for a maximum user weight capacity of 285 lbs (129 kg). It’s not extremely large, similar in size to the Spinner S7, with an assembled footprint of 41″L x 25.5″W (104 x 65 cm). Differently put, it doesn’t take much space, but it is recommended to assign a usage area for it of at least two feet all around it.

The bike is quite stable. To begin with, both its bases are equipped with adjustable stabilizers, with large rubber caps. These not only allow you to perfectly level the bike on any type of surface, they also provide an excellent grip on the floor. Plus, the bike isn’t exactly feather-light; its assembled weight is more than 100 lbs, and this weight also plays an important role in its stability.

The frame doesn’t have a folding design. But moving the assembled bike isn’t too difficult. The front base tube is equipped with large silicone wheels allowing you to easily relocate it once you have completed your workout.

One important aspect that we must mention here regards the frame tube that connects the seat post to the main frame tube. They create a V-shape which is great for the bike’s overall sturdiness. However, the bike lacks the step-up pad above the crank that most other indoor cycling bikes have. Of course, you can always step onto the frame in that area for the spin workouts that require it, but due to the lack of the stepping pad, this will be awkward and not recommended.

Seat and handlebars

The ASUNA Sabre is equipped with a spin bike saddle, featuring a long and slim shape, with a longitudinal groove. Although it integrates a fairly decent layer of padding, just as any other spin bike seat it’s not designed for comfort. Therefore, if you’re new to spinning, you may find it uncomfortable at least for the first workout sessions. But since this is a bike made for spinning workouts, at least 1/3 of the time spent on it you should pedal while standing up.

On the other hand, this is a standard seat. It should be easy to find a compatible replacement for it that provides more comfort. Also, its comfort can be increased by a gel cover.

The seat is 4-way adjustable, up, down and front to back. It offers an upright adjustment span of 9.5″ (24 cm), and a horizontal adjustment span of several inches. The minimum distance from the lower pedal is 28″ (71 cm) while the maximum distance is 37.5″ (95 cm). This being said, the bike should be able to accommodate users between 5’0″ and 6’5″ (153 – 196 cm) with no problem, promoting a complete leg extension.

Just as the seat, the handlebar of the ASUNA 7100 exercise bike is 4-way adjustable. It features a multi-grip design with an integrates loop aero bar. It’s fully covered by a layer of high-density synthetic foam, in order to provide a secure and comfortable grip.

Resistance system

The ASUNA Sabre 7100 features a manual magnetic resistance system which consists of a magnetic brake attached to the bike’s main frame bar, on top of the flywheel. The brake is connected to the tension knob on top of the frame. As you turn the knob clockwise, the brake pad will come closer to the flywheel and will generate more resistance. These being said, the bike doesn’t require to be connected to a power source and you don’t need a console to control its resistance.

The tension knob is equipped with a spring and can act as an emergency brake as well. By pressing it down, the brake pad will immediately stop the flywheel from spinning.

As opposed to other exercise bikes with a manual magnetic brake, such as the Body-Solid B2U or Sunny SF-B2511H, this bike doesn’t have any “clicks” or settings marked on the tension knob. You simply tighten the brake until you obtain the amount of resistance you feel comfortable with or you want for your workout.

Drive system

The Sunny ASUNA Sabre features a belt drive, similar to the ASUNA 5100. There are two main benefits related to a belt drive. First of all, the belt transmission doesn’t require lubrication, and second of all, it generates very little noise. Therefore, the bike’s operation is almost silent.

The bike’s flywheel is not the heaviest that you can find in a spin bike. It weighs only 33 lbs (15 kg), and this being said, it’s a mid-range flywheel. There are other exercise bikes equipped with heavier flywheels. For example, the L NOW LD-582 features a 46 lbs (20.8 kg) flywheel, while the Fitness Reality X-Class 520 is equipped with a flywheel of 44 lbs (20 kg). But nonetheless, the 33 lbs flywheel on this ASUNA bike does offer quite a consistent momentum.

The flywheel is bi-directional. In other words, you can pedal backwards and the bike will retain the resistance selected. This way, you can diversify your workouts. However, coasting is not possible.

Since it’s an exercise bike designed to support most spin workouts, the ASUNA Sabre is equipped with a highly durable crankset, featuring solid steel crank arms. This being said, as long as you don’t exceed the 285 lbs (129 kg) max. weight capacity of the bike, you should be able to pedal while standing up with no problem or engage in just about any spin workout.

The pedals supplied with the bike are dual-sided. They have toe cages and straps on one side, for regular athletic shoes, and SPD elements for spin shoes on the other side. They’re made of metallic alloy and they’re highly durable as well. Also, they feature standard threads, so you can easily find replacements for them if necessary.

Assembly and Maintenance

The bike’s frame, including the flywheel, the crank, the belt and the brake, comes already assembled. Therefore, all you have to do for the assembly is add the bike’s bases, the pedals, the seat and the handlebars. This shouldn’t take more than 20 minutes. All the tools needed for the assembly are included, and the manual provides clear step-by-step assembly instructions.

Since it’s a bike with a magnetic brake and a belt drive, maintenance is almost inexistent. You basically have to keep the bike clean, and periodically check the integrity of its parts.

The Pros

  • Sturdy steel frame, able to support users up to 285 lbs;
  • Bases with adjustable, rubberized levelers;
  • Transport wheels on the rear base;
  • 4-way adjustable handlebar, with a multi-grip design;
  • 4-way adjustable seat; 
  • Frictionless, wear-free, magnetic resistance;
  • Balanced flywheel for a smooth pedaling motion and solid momentum;
  • Heavy-duty crank made for spin workouts;
  • Dual-sided pedals, with toe cages and SPD clips;
  • Narrow (152 mm) Q-Factor, minimizing the lateral stress on the joints;
  • Smooth and quiet belt drive, great for apartment use;
  • Bottle holder included;
  • Really easy to assemble;
  • Little maintenance required;
  • Excellent warranty.

The Cons

  • No exercise meter.


The ASUNA Sabre is a commercial grade indoor cycling bike, featuring a manual magnetic resistance system, dual-sided pedals, and a 33 lbs bi-directional flywheel. It offers excellent micro-adjustability, as both its seat and handlebars adjust up, down, back and forth. It’s a heavy-duty bike, made to support all spin workouts, being perfect for light to intense cardio training, intervals, weight loss, stamina development and muscle toning. It’s not exactly a cheap bike but does offer excellent quality and versatility for the price.

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