cardio – WWW.JCMUSCLEBUILDING.COM

STEPR GO

JCMB-team — Thu, 23 Apr 2026 04:57:23 +0000

The STEPR GO is our ‘Get on & Go’ Home Stair Climbing Solution. True to STEPR’s space-saving design and compact footprint allowing the STEPR GO to fit in almost any indoor environment. It fits through standard doorways and only requires 8ft ceilings. With our floating Stadium Step design accommodating almost any foot size, it’s versatile enough for beginners and the most advanced fitness levels.

STEPR GO Core Features

Quick & Intuitive LED Console allowing for get on & go action!
Compatibility to the STEPR dedicated mobile stair climbing app with Coach Lead On-Demand Classes & more (*coming soon)
Fit Anywhere Promise with STEPR’s Compact Footprint
Floating Step Design allows almost any foot size
STEPR Strength & Resistance Anchor Points for more than just stepping
Industry Leading Safety Features with auto sensing features
Multiple Patent Pending Design

STEPR – BIONIC BIKE XL VPR™

JCMB-team — Thu, 23 Apr 2026 04:44:38 +0000

The Air Bike. Reinvented.

Meet the STEPR BIONIC BIKE XL.

A dual-action air bike that finally adapts to your strength, size, and training goal. Featuring VPR adaptive resistance and optimized push-pull handles, the BIONIC delivers total-body output with total control.

Use it for upper-body only rehab, low-cadence strength endurance, or max-effort sprints. With over 100 levels of real-time scalable resistance, this is the most versatile air bike ever built.

Adaptive Patented VPR air resistance with 100+ gear feel
Exceptionally low & heavy resistance settings, best in market
Dual-position handlebars for all sizes, big and small
100+ virtual gears = resistance that meets you
Industry Standard Console & Metrics (Backlit)
Belt drive, quick & easy ratchet seat adjustment
Heavy Commercial Build & Warranty
Meet the Air bike 2.0

Assault Bike Classic

JCMB-team — Sat, 11 Apr 2026 03:27:26 +0000

Specification:

Heavy Duty Steel Frame eliminates side-to-side movement

27″ diameter steel fan

Square-tapered drivetrain design

Industrial powder coating for durability

Reinforced pedals and crank

20 sealed cartridge bearings, utilized in every pivot

Max user weight 300 lbs

Features:

LCD Hi Contrast screen outputs: Watts – RPM — Calories – Heart Rate — Distance – Time – Odometer – Interval Training (Tabata and custom)

4 Adjustable leveling feet

Sport seat with steel pop-pin lock for easy adjustments

Stair Climber

JCMB-team — Fri, 10 Apr 2026 03:34:35 +0000

A4004 Stair Machine Compact

A4004 Stair Climber — compact, powerful, and built for performance.

Full-body cardio with lower body focus

Smooth & quiet chain drive system

Low-impact, high-efficiency training

Durable anti-slip PVC pedals

Easy resistance control on handlebars

Perfect for professional gyms and performance-focused facilities.

Compact design. Silent strength. Commercial durability.

4G

jcmusclebuilding — Sun, 13 Apr 2025 00:41:10 +0000

Answering the call for a StepMill that can fit into more spaces and reach more users, we are excited to introduce the much anticipated StairMaster 4G. As the newest addition to the StairMaster family, the 4G delivers the same heart-pounding StepMill workout with a great calorie burn through a low-impact stair climb. Designed to fit perfectly into hospitality, boutique, and Multihousing training centers, the 4G has harnessed the quality members have experienced over the past 4 years with the 10G and the recently launched 8Gx. With a footprint of 54” x 29” and a height clearance of only 8 feet, the 4G is the solution this market has been missing.

Available with a variety of OpenHub console options, safety-stop sensor and a redesigned handrail system that supports multiple climbing positions and includes integrated speed and stop controls for a better user
experience. Additionally, the service panel removes with 4 fasteners, allowing for easy access to drive train and electronics.

Width: 29in (74cm)
Length: 54in (137cm)
Height: 64in (163cm)
Max User Weight: 350lb (159kg)
Product Weight: 348 LBS (158 KG)

SKUs:
9-3415-4G-10IN-60BLK
9-3415-4G-10-TS-60BLK
9-3415-4G-15-ATSC-60BLK
9-3415-4G-15-PAL-60BLK

Features

Choose between 4 Series 10″ LCD, 10″ Touchscreen and 15″ Embedded OpenHub family of consoles.
Recommended Ceiling Height: 8′ (244m)
Handrail design features integrated speed controls, stop button and contact heart rate grips
Step Up Height: 14in (36cm) to first flat step
Step Surface: 10in x 18in (25cm x 46cm)
Step Height: 6in (15cm)
Step Rate: 20 Levels ranging from 24-162 steps per minute

Bluetooth connectivity for user workout data tracking with the OpenHub 15″ embedded screen
Telemetry and contact HR
USB charging port
HDMI streaming available with 15″ display
Personal cooling fans create a more rewarding workout
Bottle holder and accessory rack for personal devices
10″ LCD displays pre-wired for 8 Series PVS entertainment, 800/900mHZ receivers, and tablet holder
Powder Coated Steel Frame

Technology

Connect to Apple Watch or Samsung Galaxy Watch
OpenHub LCD Consoles and 15″ Embedded Displays are able to connect directly with Apple Watch or Galaxy Watch for real-time data sharing between the equipment and watch using NFC technology to allow a simple tap to pair connection.

OpenHub Cardio Console
The re-imagined 15″ embedded touchscreen display adds a premium new look and experience to the already-great StairMaster cardio line. The new embedded console offers a new user interface design, RunTV and web-based media access for news, entertainment and workout motivation. With standard features like HDMI streaming, Bluetooth connectivity and TV tuner options, this is a display that has something for every user.

Forge 13mm Lever Belt

JCMB-team — Thu, 14 Nov 2024 21:00:18 +0000

Featuring a patented gliding lever, providing the adjustability of a prong belt with the ease and tightness of a lever belt. Ideal for sizing up or down whenever you need during training sessions and competitions.

The 13mm lever belt offers the maximum specifications allowed in competitive powerlifting, with four layers of British leather and suede, combined with our patented lever, allowing for the utmost tightness and support.

Designed through collaboration with world class athletes, coaches, and health professionals.

13mm thickness and 10cm in width.
Black oiled leather finish with a red suede interior.
IPF approved.
Made exclusively from British cowhide.
Manufactured in Great Britain.

Size	Range (cm)	Range (in)
XS	57.5-70	22.5-27.5
S	65-80	25.5-31.5
M	72.5-90	28.5-35.5
L	80-100	31.5-39.5
XL	87.5-110	34.5-43.5
2XL	95-120	37.5-47
3XL	102.5-130	40.5-51
4XL	110-140	43.5-55
5XL	117.5-150	46.5-59

If you already own a belt, we recommend measuring your current belt on the tightest setting you use to give you the circumference of the belt at the setting you usually use.

If you do not have a belt then please measure your waist where the belt will sit (which is normally just above the navel), with your abdominal muscles braced. Please do not use your trouser waist measurement as this will not be accurate for the belt measurement.

We typically recommend a belt where you fall in the middle of the sizing guide, as this will allow you to adjust the belt in either direction depending on your preference of fit, what exercise you are using the belt for, should your bodyweight change, or if you wear the belt over layers of clothes or a neoprene belt.

Reflect Powerlifting Singlet

JCMB-team — Fri, 26 Jul 2024 02:00:02 +0000

A tailored fit for both men and women, developed through collaboration with world class athletes. Built with a heavyweight, durable, and breathable fabric developed in Great Britain.

Reflect is a limited edition collection, offering the same performance and manufactured to the same high standards as our classic product line.

Constructed from heavyweight 350gm double jersey fabric.
Manufactured with Meryl® and Lycra® fibers to stay soft and breathable, while providing durability and compression.
IPF approved and IWF compliant.
Manufactured in Great Britain.

Size	Weight (kg)	Weight (lbs)
XS	<50	<110
S	50-60	110-132
M	60-70	132-154
L	70-85	154-187
XL	85-100	187-220
2XL	100-115	220-254
3XL	115-130	254-287
4XL	130-145	287-320
5XL	145+	320+

Our singlets are sized based on athlete weight. However, athletes who are tall or short for their weight class are recommended to adjust up or down by one size respectively.

Reflect Tank (Men)

JCMB-team — Fri, 26 Jul 2024 02:00:00 +0000

Manufactured fully in the UK from cotton to sewing, the SBD tank can endure the toughest training. Developed in conjunction with athlete feedback.

Reflect is a limited edition collection, offering the same performance and manufactured to the same high standards as our classic product line.

Featuring an SBD logo print on the chest.
Comfortable and durable, designed to endure years of use in training.
Knitted with 100% premium cotton.
Manufactured in Great Britain.

Size	Men’s Fit (cm)	Men’s Fit (in)
XS	90 – 96	35 ½ – 37 ¾
S	96 – 102	37 ¾ – 40 ¼
M	102 – 108	40 ¼ – 42 ½
L	108 – 114	42 ½ – 45
XL	114 – 122	45 – 48
2XL	122 – 130	48 – 51 ¼
3XL	130 – 138	51 ¼ – 54 ¼
4XL	138 – 146	54 ¼ – 57 ½
5XL	146 – 154	57 ½ – 60 ¾

NOTE: Our tanks are designed to fit tighter across the chest than our t-shirts do.

The measurements for our tanks are based off of chest circumference.

METCON Olympic Weightlifting Barbell – 15KG

JCMB-team — Wed, 24 Jul 2024 08:21:40 +0000

METCON Olympic Weightlifting Barbell – Women 15KG

High-strength steel with 8 sets of quality needle bearings and friction welded sleeves which results in a barbell with a smooth, consistent, quiet spin. Making it easy to attach and comfortable to use.

The black hard-chrome shaft finish offers great corrosion resistance and a sleek look. It has a non-abrasive grip easily handled by beginners and professionals. This quality steel helps produce an ideal combination of the consistent “whip” needed for lifts and the ample rigidity required for heavy weightlifting.

Specifications:

The bearing capacity is 1400lb
The surface is plated with black chromium
The diameter of the grip rod is 25MM and the length is 200CM.
Alloy steel.
Higher strength and higher fatigue strength

METCON AIR BIKE

JCMB-team — Wed, 24 Jul 2024 04:00:00 +0000

The Metcon Air bike flows with how much you want to work out. The more resistance implemented throughout your routine, the more your body would burn those calories.

Specifications:

LCD screen outputs: Watts – RPM — Calories – Heart Rate — Distance – Time – Odometer – Interval Training (Tabata and custom)
Heavy Duty Steel Frame eliminates side-to-side movement
25″ diameter steel fan
Hybrid seat with multi-adjustment options
Industrial powder coating for durability
Reinforced pedals and crank
20 sealed cartridge bearings, utilized in every pivot

Product key points:

HR, Watts and provides programmable HIIT and Distance Options
Quality construction to ensure long term durability and function
Excellent tool for development of cardio
Adjustable seat
Solid casters wheels for easy of movement