Brand New - Diamond Cardio
INDOOR CYCLE JK 504 (serie JK FITNESS HOME FITNESS) - JK504

The new JK 504 indoor bike was created to confirm the entry-level JK home fitness offer by improving performance compared to the previous range, with decidedly more modern and sporty connotations thanks to the new matt cement grey / black matt look, decidedly trendy in the market.

Technical features

The new JK 504 is a traditional spin bike with a mechanical pad brake and fixed gear transmission with silenced belt, it has an inertial system with an 18 kg flywheel mass (balanced flywheel) and a 17 cm crank, which generate good pedaling fluidity at all speeds. The effort is adjusted via a control with a manual selector with "millimetric" resistance that also acts as an emergency brake in the event of sudden pedaling stops by the user. The new JK 504 spin bike has a saddle height adjustment of 7 positions (leg measurement from 72 cm to 90 cm) and a depth of 7 cm, the handlebars can be adjusted in height to 5 positions and are covered in soft non-slip rubber; these adjustments are used to find the best posture in the saddle for the user. The racing design saddle, anatomical and with a central hole, helps and improves the feeling on board for all users, ensuring comfortable and long pedaling without discomfort. The non-slip racing iron pedal with foot strap helps to maintain the correct support of the shoe in all phases of pedaling, even in the most intense ones.

Training monitoring

The JK 504 gym bike is equipped with a cycle computer with a multi-information LCD display, which is also combined with a mobile phone / tablet holder and allows you to monitor all training parameters in real time, such as: time, distance, speed, RPM, calories and heart rate.

Practicality and comfort

The sturdy steel frame of the JK 504 features large stabilizers with four non-slip feet (self-leveling rear ones) and guarantees a maximum user weight of 120 kg, while at the front there are two transport wheels, which facilitate the movement of the spin bike from one room to another. The new JK 504 is a spinning bike that weighs 33 kg and is compact 107 x 51 cm H 125 cm; suitable for those who want good performance while taking care of the concrete in a small space. JK Fitness offers the best spin bikes on the market with a perfect quality/price ratio.

Resistance

mechanical (buffer)

Resistance adjustment

manual

Resistance levels

micrometric / infinite

Flywheel mass

18 kg

Max. user weight

120 kg

Transmission

silenced belt

Bottom bracket

3 pieces

Crank length

17 cm

Pedal

iron structure with toe strap

Q factor TOT

184 mm (SX 91 mm DX 93 mm)

Ratio

1 to 4.25

Fixed

gear

Emergency brake

push knob

Console

multi-information cycle computer 1 display

Data displayed

time, distance, speed, RPM, calories, heart rate

Programs

No

Handlebar

ergonomic multi-grip, rubber coating, Ø 34 mm

HRC receiver

5.3 KHz integrated

Heart rate monitor

optional

Integrated sensors

No

Compatible apps

No

Mobile phone holder

Yes (tablet & smartphone)

Product dimensions

107 x 51 cm H 125 cm

Pedal saddle height

72 / 90 cm

Saddle-handlebar distance

41.5 / 49 cm

Saddle

anatomical, with central hole

Saddle adjustment

height with 7-hole selector, micrometric depth 7 cm

Handlebar adjustment

height with 6-hole selector

Stabilizers

with 2 rear self-leveling feet

Transport wheels

Yes

Packaging dimensions

97 x 19 x 76 cm

Product weight

33 kg

Gross weight

36 kg

Product class

HC

Certifications

CE, RoHS, EN957