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Tunturi B40 Cardio Fit Upright Bike

UnitSizeSupported
weight
ResistanceConsoleWarranty
Tunturi B40

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L:41"
W:20"
H:51"
242 lbsMagnetic,
8 levels
Time,
Speed,
Distance,
Calories,
ODO,
SCAN,
Goals
2 years limited

The B40 is another upright bike from the Tunturi “Cardio Fit” series. It’s a machine made for home use, also available at an affordable price. It shares many similarities with the Tunturi B35 that we’ve already reviewed here. For example, it has the same resistance system and the same console. However, this exercise bike has a step-through design and a 4-way adjustable seat.

Technical Details and Specifications

  • Assembled dimensions: 40.6L x 19.7W x 51.2H inches (103L x 50W x 130H cm)
  • Flywheel weight: 13.2 lbs (6 kg)
  • Assembled weight: 48.5 lbs (22 kg)
  • Weight capacity: 242.5 lbs (110 kg)
  • Seat: 4-way adjustable
  • Pedals: Weighted, with straps
  • Drive: Belt
  • Resistance: Manual magnetic, 8 levels
  • Fitness meter: Time, distance, speed, calories, ODO, pulse, SCAN, goal setting
  • Amenities: Tablet holder
  • Warranty: 2 years limited

Frame construction

The Tunturi Cardio Fit B40 features a frame made of steel tubing. It combines cylindrical, ovalized, and rectangular bars in its construction. For example, the front mast and the seat post are cylindrical, the base stabilizers are ovalized, and the main longitudinal base bar is rectangular. All the steel bars in the unit’s frame are double-coated with an abrasion-resistant and corrosion-resistant paint finish. The color used is dark gray, this being the only color available for this model.

Of course, the bike’s construction also integrates ABS parts. The covers of the drive and resistance elements, as well as several other small covers, are made of durable ABS plastic. Also, the rear base bar is equipped with adjustable levelers.

Like most other upright exercise bikes made for home use, the Tunturi B40 is not an extremely large unit. With its frame fully set up, it has a footprint of approx. 41″L x 20″W (103 x 50 cm). This being said, it shouldn’t require more than 70″ x 60″ (178 x 152 cm) of usage space.

The fully assembled unit only weighs approx. 48.5 lbs (22 kg); therefore, it’s fairly easy to assemble and transport by only one person. Plus, its front base has a set of transport wheels which considerably ease its relocation.

There are two more notable feature to mention here with regards to the construction of this bike. One of them is the step-through design. This type of construction offers a better access to the seat, making entry and exit considerably easier, especially for elderly users or users with certain disabilities. The other feature is the small plate with three notches in it, welded at the base of the console mast. This offers the possibility of attaching resistance bands to it, and therefore, you can also exercise with your arms while you pedal, like for the Body Xtreme BXF008.

Seat and handlebars

The Tunturi B40 is equipped with a 4-way adjustable seat. Its upright post has several adjustment positions, but the seat also has an oblique slider which offers several more inches of adjustment. This being said, the bike can accommodate users between 5’0″ and 6’2″ (153 – 188 cm). Also, the seat assembly is rated for a user weight capacity of 242.5 lbs (110 kg).

The saddle itself is designed for optimal comfort. It’s a pretty much standard bike seat. It does not have extra air cell cushioning. However, it does integrate a layer of foam padding and has a durable and flexible overall structure. Its surface is contoured and has a longitudinal groove to promote breathability. Its attachment system to the slider features a standard collar; therefore, in case you want to replace it, compatible options are widely available.

The bike is equipped with a standard U-shaped handlebar. Its front grips are curved up in order to provide a more comfortable aero position. It offers the possibility to adopt at least three grips for your workouts.

The bike’s handlebar is angle-adjustable. It is attached to the front mast via a small knob which allows you to unlock, adjust, and re-tighten it in the desired position. Its grips are covered by a layer of rubber-foam material for optimal comfort. It also integrates metallic HR sensors, so by holding on to them, the unit’s console can monitor your pulse.

Drive and resistance

The Tunturi Cardio Fit B40 is equipped with a 13.2 lbs (6 kg) flywheel which has a balanced structure, designed to provide a smooth and steady pedaling motion. Although it is far from being as heavy as the flywheel of the average spin bike (which is approx. 40 lbs), it’s weight shouldn’t matter that much, though, as the bike’s resistance system is magnetic.

The internal drivetrain uses a heavy-duty poly-v belt. This being said, the bike hardly generates any noise during pedaling. Also, since it’s a belt, not a chain, it does not require periodic lubrication. Therefore, you don’t have to go through the hassle of taking the covers apart every 2-3 months to lubricate its internal parts.

The bike is equipped with a durable crankset featuring solid steel crank arms with a chrome finish. However, it’s not made for spin workouts, or for standing up during pedaling. Since it’s an upright bike, not a spin bike, it’s made for seated workouts only.

The pedals feature a weighted design. Their weight elements enable them to always turn up if you remove your feet from them. They have a non-slip surface and adjustable straps as well.

Pedaling in reverse is possible as well. And when pedaling in reverse, the console continues to track your workout metrics.

As we’ve mentioned above, this Tunturi exercise bike features a magnetic resistance system. It integrates a mechanical magnetic brake which is attached to the tension dial on the front mast of the bike. By turning the dial clockwise, the brake moves closer to the metallic flywheel and generates more resistance.

Evidently, since the machine’s resistance system involves a mechanical brake, the bike doesn’t need to be connected to a power source. Also, the console does not play any role in the resistance adjustment. It only tracks your workout metrics and it is battery-powered.

The bike offers 8 levels of resistance. The first one is fairly light, great for warm-ups or recovery training. The top 7-8 levels, deliver a distinguishably higher resistance, simulating a steep climb.

Console

As we’ve mentioned above, the unit’s console is battery-powered. It uses 2 AA batteries and starts up when you begin pedaling or when you press its Mode button. It also has a sleep mode to which it will enter after four minutes of inactivity on the bike.

The console features an LCD display which tracks all the important workout metrics, including time, distance, total distance, speed, calories, and pulse. There is also a Scan function which rotates all these metrics, showing each one for 4 seconds.

The console offers the possibility to select goals for time, distance, calories, and pulse. To do this, the SCAN mode needs to be Off. Once a goal is selected, the console will show the remaining amount towards that goal. For the pulse goal, there is a difference, though. Once you select a pulse target, the console will notify you if you exceed it. The pulse target can be set between 40 and 240.

The speed and distance values are shown only in metric units (km/h and km). There is no option for miles or MPH. Also, the console is not telemetric; it cannot read your pulse from an HR chest belt, so you have to use the integrated pulse sensors.

There are three available buttons on the console, these being Set, Mode, and Reset. The Mode button allows you to enter set-up mode and enable/disable the Scan function. The Set button covers the goal setting function, and finally, the Reset button allows you to clear all the values on the console to zero, except the Odometer (or total distance). In order to select the Odometer, you have to remove the batteries.

Last but not least, the console unit features a tablet holder; this element is placed at the bottom of the unit. It’s fairly large, so it can accommodate any smartphone or tablet. However, the console does not have any connection ports for your tablet or smartphone, and cannot communicate with your device in any way.

Assembly and Maintenance

The main frame of the Tunturi B40 comes pre-assembled, with all the resistance and drive elements already in place and concealed by the ABS shrouds. Therefore, you only need to attach the base stabilizers, the front mast, the seat bars, the saddle, the handlebar, the console, the pedals, and connect the cables. This shouldn’t take more than one hour. The manual provides very clear set-up instructions, and a basic toolkit is included.

Internal maintenance is not required for this bike, at least not for a very long period of time. All you need to do is keep the unit clean, and periodically check for loose bolts and parts.

The Pros

  • Fairly sturdy frame for a light exercise bike;
  • Step-through design;
  • Adjustable stabilizers on the rear base;
  • Transport wheels on the front base;
  • Multi-grip and angle adjustable handlebar;
  • Pulse sensors integrated into the handlebar;
  • 4-way adjustable seat;
  • Quiet belt drive;
  • Zero friction magnetic resistance;
  • 8 resistance settings;
  • Weighted pedals with adjustable straps;
  • Exercise meter included;
  • ODO, SCAN, and goal setting functions on the meter; 
  • Little maintenance required;
  • Easy to assemble.

The Cons

  • No bottle holder;
  • The console display does not have backlight;
  • A tablet placed on the tablet holder will cover the console display;
  • The calorie reading is not too accurate;
  • Only metric units (kmh, km) available for the speed and distance values.

Summary

The Tunturi Cardio Fit B40 is an upright exercise bike made for home use. It features a manual magnetic resistance system with 8 levels, a 4-way adjustable seat, and angle-adjustable handlebars. Its console tracks the main workout metrics and also offers goal settings. It’s a fairly small and light trainer, easy to assemble and handle. It’s made for light to medium intensity workouts, muscle toning, calorie burning, stamina development, and recovery training. And finally, it’s an affordable exercise bike, offering a fairly decent value for the price.

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