Brand New - Diamond Cardio
upright exercise bike JK 284 (JK FITNESS HOME FITNESS) - JK284

The JK 284 is a mid- to high-end electro magnetic exercise bike in the home fitness world equipped with a 12 kg balanced flywheel mass and 17 cm chrome-plated crank, which allow very smooth and jerk-free pedaling at any resistance; effort adjustment is via a console-controlled servo motor with as many as 32 resistance levels.

Technical Features.

The JK 284 exercise bike, thanks to the wide adjustments, allows tall people to be accommodated on board; the data of the saddle height adjustment on 9 positions (leg measurement from 67 cm to 91 cm) and depth 8 cm confirm this good capacity. The handlebars can also be adjusted in depth and angle to allow each user to find the correct exercise position once on the exercise bike. The saddle used is ergonomic with a graduated compression padding that helps and maintain the right position in the saddle for long rides, ensuring pleasant workouts in full comfort. The self-leveling non-slip pedal with foot-strap retainer helps maintain proper foot and leg position during all phases of exercise.

Interactive workout

The new JK 284 exercise bike with built-in receiver can connect to the world's leading fitness APPs (Zwift - Kinomap) to make cardio training more fun, pedaling around the world!

Training monitoring

The console with a good mobile phone/tablet holder, is equipped with a backlit color multi-display screen with 7 windows plus a 10 x 8 pxl graphic matrix (to display the program profile); the data provided by the display are: time, distance, speed, RPM, calories, Watts, heart rate, resistance level, program No., program diagram. The new JK 284 exercise bike is also equipped with a series of programs to make the workouts in the saddle more motivating; 1 manual program operated manually by the user, 6 preset programs with different resistance profiles applied per segment, 4 HRC programs (55% 75% 95% tag user BPM), 1 body fat test (indicates the user's body mass index). The JK 284 exercise bike is equipped with two grip pulse sensors on the handlebars and the integrated sensor for reception from the heart rate monitor to detect the user's heart rate during intense training sessions; the chest heart rate monitor is an optional extra to be ordered separately.

Practicality and comfort

The sturdy frame of the JK284 rests on large outriggers with 4 rubber feet and 4 self-levelling pads, which allow it to withstand a maximum user weight of 130 kg; at the front are 2 transport wheels, which facilitate the user in moving from one room to another The JK 284 is an exercise bike that weighs 34.4 kg and is space-saving 104 x 53 cm H 143 cm; basically perfect for those who want excellent performance but do not have large spaces. With JK 284 your workout will be tailored to your needs and you can enjoy all the benefits of the exercise bike expressed in physical health, fitness weight and mental well-being. The easy entry makes this cardio machine, also a perfect product for those looking for an exercise bike for seniors. JK Fitness offers the best exercise bikes on the market with perfect value for money.

Resistance

magnetic

Resistance adjustment

electronic with servo motor

Resistance levels

No. 32 (power at 60 RPM 252 W)

Flywheel mass

12 kg

Maximum user weight

130 kg

Bottom bracket

3 pieces

Crank length

17 cm chrome-plated

Pedal

self-leveling non-slip with foot strap

Q factor TOT

223 mm SX 112 mm DX 111 mm

Console

multi blue backlit display 7 windows + 10×8 pxl graphic matrix with tablet holder

Data displayed

time, speed, distance, heart rate, RPM, watts, calories, resistance level, prog no., program diagram

Programs

1 manual, 1 body fat test, 4 HRC (55% 75% 90% target BPM), 6 presets

Cell phone port

Yes

HRC grip pulse

Yes

HRC receiver

Yes

Heart rate belt

optional

Receiver for APP

built-in sensor for apps connection

APPS

Kinomap*, Zwift*, (* subscription not included)

Product dimensions

104 x 53 cm H 143 cm

Pedal seat height

67 / 91 cm

Saddle-handlebar distance

36 / 43 cm

Saddle

ergonomic graduated compression padding

Saddle adjustment

height with 9-hole selector, micrometric depth 8 cm

Handlebar adjustment

tilt, depth, Ø 3 cm

Stabilizers

4 self-levelling pads

Transport wheels

Yes front

Packaging dimensions

107.5 x 28 x 65 cm

Product weight

34.4 kg

Gross weight

38 kg

Product class

HC

Certifications

CE, RoHS, EN957