The JK 274 is a mid- to high-end electromagnetic 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 servo motor controlled from the console with as many as 16 resistance levels.
Technical features.
The electronically regulated magnetic brake unit allows for a maximum power output of 431 W and a power output of 255 W at 60 RPM. The JK 274 exercise bike, thanks to its wide adjustments, allows very tall people to be accommodated on board; the data of the saddle height adjustment on 10 positions (leg measurement from 64 cm to 94.5 cm) and depth adjustment 10 cm confirm this capability. 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 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 274 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! The console with a convenient mobile phone/tablet holder, has a backlit color multi-display screen with 5 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.
Workout monitoring
The new JK 274 exercise bike is also equipped with a series of programs to make workouts in the saddle more motivating; 1 manual program managed directly by the user, 10 preset programs with different profiles of the applied resistance for each segment, 4 HRC programs (55% 75% 95% tag user BPM), 1 program at constant watts, 1 recovery test (on the user's recovery after exertion) The JK 274 exercise bike is equipped with the 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 the most intense training sessions; the chest heart rate monitor is an optional extra to be ordered separately.
Practicality and comfort
The sturdy frame of the JK274 rests on large outriggers with 4 rubber feet (rear self-levelling) that allows it to support a maximum user weight of 130 kg; 2 transport wheels are located in the front, making it easier for the user to move from one room to another. The JK 274 exercise bike is a magnetic exercise bike that weighs 30.5 kg and is space-saving 103 x 52 cm H 135 cm; basically perfect for those who want excellent performance but do not have large spaces. A perfect ally for those who are looking for an exercise bike to lose weight or who want to perform a cardio workout and enjoy the benefits of the exercise bike. 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. 16 (max power 431 W at 60 RPM 255 W)
Flywheel mass
12 kg
Max. 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
221 mm SX 108 mm DX 113 mm
Console
multi backlit color display 5 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 recovery test (post exercise recovery test), 1 constant watts, 10 presets, 4 HRC (55% 75% 95% target BPM), 5 user
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
103 x 52 cm H 135 cm
Pedal saddle height
64 / 94.5 cm
Saddle-handlebar distance
41.5 / 52 cm
Saddle
ergonomic graduated compression padding
Saddle adjustment
Chrome-plated seat tube height with 10-hole selector, micrometric depth 10 cm
Handlebar adjustment
tilt, depth, Ø 3 cm
Stabilizers
2 rear self-levelling pads
Transport wheels
Yes front
Packaging dimensions
84 x 30 x 63 cm
Product weight
30.5 kg
Gross weight
33.5 kg
Product class
HC
Certifications
CE, RoHS, EN957
Cardiofitness Machines - Diamond Cardio