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HARISON X4 Indoor Cycling Bike

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weight
Flywheel
weight
ResistanceFitness
meter
HARISON X4

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L:40.2"
W:17.7"
H:47"
280 lbs24 lbsFrictionTime,
Speed,
Distance,
Odometer,
Calories,
Pulse,
Scan

The HARISON X4 is one of the indoor cycling bikes released in 2021. It’s a pretty standard exercise bike designed for spin workouts. It has a different design than the HARISON X6 model and is equipped with a slightly lighter flywheel.

Key Features and Specifications

  • Assembled dimensions: 40.2L x 17.7W x 47H inches (102L x 45W x 119H cm)
  • Assembled weight: 59 lbs (26.7 kg)
  • Flywheel weight: 24 lbs (11 kg)
  • Supported weight: 280 lbs (127 kg)
  • Seat: 4-way adjustable
  • Drive system: Belt
  • Resistance: Friction, felt pad
  • Fitness monitor: Time, speed, distance, total distance, calories, pulse, scan
  • Extras: Device holder, bottle holders
  • Warranty: 1 year limited

Frame construction

The HARISON X4 indoor cycling bike features a triangular frame made of steel tubing. Most of the tubes in its construction are oval, double-coated with a corrosion-resistant paint finish. The main color used is black, but there is also a white version of this bike that does not come with a fitness monitor and has Bluetooth connectivity instead.

It’s important to mention here that the seat tube is welded both to the longitudinal base bar and to the main oblique bar of the frame. Plus, the frame integrates a step-up bar (the short horizontal bar that connects the seat tube to the oblique tube) which also considerably improves the overall structural sturdiness of the frame.

The bike is not too large. With all the parts assembled, it is approx. 40.2″ (102 cm) long, and 17.7″ (45 cm) wide. However, HARISON fitness recommends leaving a clearance of at least two feet all around the bike for ease of access and safe usage.

The bike is not too heavy either. Its net weight is only approx. 59 lbs (26.7 kg). Therefore, it can be carried and assembled by only one person. Once it is assembled, it is even easier to relocate as its front base integrates transport wheels. Also, both base stabilizers feature adjustable levelers with rubberized suction pads.

Seat and handlebars

The HARISON X4 indoor cycle is equipped with a pretty standard saddle. It is approx. 9.5″ (24 cm) long, and 8.3″ (21 cm) wide. It is not super comfortable, especially for new users. But on the other hand, its connection system is collar-based, which means that the saddle is easy to remove and replace. Compatible saddles should be available in most bike shops. The saddle is built on a durable nylon shell with a top foam cover. It is slightly contoured but does not have a median groove like the more expensive cycle seats.

The bike’s seat is four-way adjustable (up, down, front, back). Its upright post has 7 adjustment positions while its horizontal slider adds a few extra inches of front-to-back adjustment. This being said, the bike should be able to accommodate users between 5’1″ and 6’3″ (155 – 190 cm) with no problem. It’s also rated for a maximum user weight limit of 280 lbs (127 kg).

The HARISON X4 exercise bike includes a multi-grip handlebar. It offers the possibility to adopt a climbing grip, a cruising grip, and a standard grip. It has a small loop bar in the middle which allows a close grip. Also, a device holder with two bottle slots is included with the bike so you can place a tablet or phone on it, and at least a hydration bottle.

The bike’s handlebar is only two-way adjustable (up, down). It does not have horizontal adjustability like the handlebar of the JOROTO XM16, for example. Its side grips feature PVC foam sleeves for improved contact. They also integrate pulse sensors.

Drive system

As opposed to the HARISON B1850, the X4 model features a guarded flywheel. The guard is circular and covers the whole perimeter of the flywheel. As we’ve mentioned above, the bike’s flywheel is slightly lighter than the X6 model. It only weighs 24 lbs (11 kg). However, it does have a balanced structure for more consistent momentum.

The bike’s flywheel is bi-directional. In other words, you can pedal in reverse if you want. However, when pedaling in reverse, you will get the same resistance as when pedaling forward. Coasting is not possible on the bike and the pedals continue to spin for as long as the flywheel is spinning.

The bike is equipped with a heavy-duty 3-piece crankset designed to support any spin workout. You should also be able to stand up on the pedals with no problem, for sprint sessions. The crank arms are made of solid steel, painted black, with an oval design. They’re pretty long, similar to the ones on road bikes.

The included pedals are made of aluminum alloy. Although they do not have SPD clips for spin shoes, they do have toe cages with adjustable straps. Thus, you can perfectly secure your feet on them. They also have standard 9/16″ threads, so in case you will ever want to replace them, compatible options are widely available.

Last but not least, the bike is equipped with a belt drive system. It integrates a poly-v belt which is concealed by a large ABS guard. This being said, you don’t have to worry about drivetrain lubrication. Also, the belt generates slightly less vibration than a chain.

Resistance system

The HARISON X4 indoor cycling trainer is equipped with a manual friction resistance system. Therefore, you don’t need a power adapter or an external power source for it. However, the bike cannot adjust the resistance automatically, does not have any pre-set programs, and it is not compatible with any fitness apps.

The bike’s resistance system consists of a wool felt pad attached to the main tube of the frame and to the tension knob on top of this tube. It is completely concealed by the flywheel guard. To increase the resistance, you have to turn the knob clockwise. This way, the felt pad applies more friction to the flywheel which increases the workload.

Similar to most other spin bikes with a friction resistance system, the tension knob does not have any pre-determined settings. You simply tighten it until the pad applies the desired amount of friction; you can basically tighten it up to the point you can barely pedal.

The bike’s brake also has an emergency stop function. You can press it down to immediately stop the flywheel from spinning. This is actually necessary especially if you’ve been pedaling at a high speed due to the increased inertia provided by the flywheel. If, for example, you try to stop the flywheel with your legs, injuries may occur.

Fitness monitor

The HARISON X4 indoor cycle is equipped with a pretty basic fitness monitor, similar to the one included with the Binhia S8 bike. It features an LCD display that tracks time, speed, distance, total distance, calories, and pulse. It does not have an RPM reading, and the pulse reading function is grip only; the monitor cannot read your pulse if you wear a wireless transmitter.

The monitor unit is easy to use. It only has one button. By pressing the button repeatedly, you can scroll through the workout metrics and select the one you want to view. It also has a scan mode. In scan mode, the monitor rotates all the metrics showing each one for six seconds.

The button also covers the unit’s reset function. You can press and hold it for a few seconds to clear all the values to zero. The only value that won’t be deleted is the odometer (total distance) which can go up to 9999 miles.

The monitor unit is battery-powered. It requires two AAA batteries. It has a sleep mode into which it will enter if it does not detect any activity on the bike for more than 4 minutes. You can wake it up by pressing the button, but it also automatically wakes up if it detects flywheel movement.

Assembly and Maintenance

The main body of the bike comes pre-assembled. You only need to attach the two base stabilizers, the seat post, the seat, the handlebar post, the handlebars, the fitness monitor, and the pedals. The manual provides clear assembly instructions. Also, all the necessary tools are included.

For maintenance, you only have to keep the bike clean and periodically check for loose bolts and parts.

The Pros

  • Durable frame – can support users up to 280 lbs;
  • Adjustable stabilizers on both base bars;
  • Transport wheels on the front base bar;
  • Step-up bar above the crank;
  • 4-way adjustable seat;
  • 2-way adjustable handlebar;
  • Multi-grip handlebar;
  • Pulse sensors integrated into the handlebar;
  • Smooth and silent belt drive;
  • Inertia-enhanced flywheel;
  • Friction resistance for a wide range of tension levels;
  • Exercise monitor included – it can track time, distance, total distance, speed, calories, and pulse;
  • Tablet holder included;
  • Bottle holders included;
  • Easy to assemble;
  • Assembly tools are included;
  • Little maintenance required.

The Cons

  • No backlight on the fitness monitor;
  • No goal settings or workout programs.

Summary

The HARISON X4 is an indoor cycling bike made for home use. It features a 24 lbs flywheel, a manual friction resistance system, a 4-way adjustable seat, and a basic fitness monitor. It also has a pretty sturdy construction with a maximum user weight limit of 280 lbs. It’s a fairly decent bike for spin workouts, interval training, muscle toning, stamina development, and weight loss. It’s not the most affordable in this feature range, but it definitely is more affordable than a commercial spin bike.

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