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Pro Flex Semi-Commercial Foldable Treadmill

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Quick Overview

The Pro Flex treadmill has been developed to give you gym quality and gym feel at a cost that is unbeatable. Every part of the Pro-Flex is of the highest quality. The treadmill has been cleverly developed to adapt to the way you run & to absorb impact efficiently, protecting your joints & offering a more elastic response during hard sprints. 

Branx Fitness is well known for it's product reliability, performance & unbeatable after-care service. We are pleased to say that the amazing Pro Flex treadmill with its colossal 7hp peak AC motor is a very impressively engineered treadmill. Continual progress is a way of life for Branx Fitness

In Stock - Delivery Within 14 Days Of Ordering (In Person Collections Now Permitted)

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Important Notice:

The installation service is not available for the postcodes starting with AB, IV, BT, HS, KA, KY, PA, PO, PH, IM, KW, GY and JE

Please help us complete your installation request as smoothly as possible by filling out the installation form after completing your purchase.

Click here to view the form

Pro Flex Semi-Commercial Foldable Treadmill

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Going Fast, we have sold 2 plus in the last few days


Can not fault this treadmill on anything, really I cant, my experience also in purchasing was very good and I am extremely pleased. Its so solid, yet foldable which is a great touch, the ac motor is not loud as I know some really are, it doesn’t shoot up my energy bill either compared to my last treadmill.

Absolute gym treadmill and it folds too. Love everything about it- By an Smithy 281 on 2022-05-30 04:18:19

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More Information
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3.75 CHP 7 HP

0 - 22 Levels
Automatic Incline

BELT: 140 X 52 CM (L X W)


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pro flex control

pro flex control


The 7" LCD display allows you to view required information clearly whilst simultaneously having everything at your finger tips

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The Seiko low noise, smart, energy saving motor provides optimum performance, efficiency, and reliability through innovative engineering technology and using the highest quality components

  • The AC motor is an alternating current motor with the highest grade built in frequency converter
  • The AC motor can work continuously for hours with no dip in speed consistency
  • The clever design ensures zero carbon accumulation
  • Using the latest WISCO 470 silicon steel sheets
  • Using the latest temperature resistant enamelled wire, designed to withstand up to 200 degrees celsius
  • Silent fan cooled temperature management
  • High-grade steel ball motor bearings providing the smoothest motor rhythm
  • Larger motor casing reduces noise and vibration whilst adding stability
  • Advanced high-grade insulation and fireproof materials for maximum safety and motor longevity
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Spacious Running Belt

For everyone in the family

The Pro Flex’ 2-ply belt has a footprint that suits any home environment. Whether you’re a walker, runner or sprinter, this 140 x 52cm running area provides all the space and comfort you need to workout at your preferred pace

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0 - 22 Levels of Auto Incline

Always get the intensity you need to reach your goals

Working out on an incline increases your heart rate and really activates your quads, hamstrings, glutes and also ankle strength. Did you know that a greater incline tones muscles and burns calories 5 times quicker for faster results

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Cushioned 14 point S-600 dual airbag absorption system with double layered running deck

Branx Fitness believes quality has to match specification and we have achieved this by using the highest grade spring/shock materials that make up the dual airbags and silicone cushioning pads and a high quality MDF fibreboard running deck. Our high impact S-600 absorption system provides the latest in strength and stability and provides the user with essential comfort protecting joints and knees as the cushioning system absorbs the majority of impact, resulting in better and quicker results

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Mix it up with one of the 12 preset programmes

Keep your workouts fresh with 12 cardio programmes to choose from. Due to health and safety regulations of a home-use treadmill the programmes are not extremely challenging for the majority of users. But they are enough to use them in order to shake up your schedule from time to time. A change is always good

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Touch control panel

Few treadmills come close to Branx for quality and attention to detail – the Pro Flex is no different. The best part is that it’s all easy to use and has stringently been tried and tested to ensure every swipe is seamless

Luxury speed dial

The Pro Flex is an incredible treadmill, replete with cherishable details. At Branx we pride ourselves on incredible craftspersonship, and our fit and finish is extraordinary

Self lubricating

Fitted with the latest automatic lubrication system. Simply add in the lubricant and the treadmill will automatically refuel every 30 kilometres with each refill taking a record 3 seconds

*Please note: Always follow lubrication guidance in user manual

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Bluetooth Wireless Technology

Pair your device with the treadmill and listen to music from your smart devices through the built in speakers on the console. Stay connected to the sounds that move you

Soft Drop System

The Energy Pro Treadmill comes with the soft drop system, which means it will drop slowly and safely to the floor all by itself after it’s been folded up to save space, all you need to do is tap the kick zone on the hydraulic strut and watch the deck lower all by itself. Lifting it up is also easy

Body Fat Readout Feature

The body fat calculator is a tool designed to help you estimate what percentage of your total body weight is body fat. If you ever wondered what your body fat percentage is, this is a perfect place to find out. Simply enter some personal data required and then wait for your results. (please note this is a guide only and does not replace professional advice, please seek medical advice for total accuracy)

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Easy Assembly Procedure

*Important: Each model comes with a user manual which includes step by step assembly instructions and a tool pack with all required nuts/bolts and tools

1. Treadmill Fully Assembled

2. Footprint of treadmill

3. Treadmill folded upright

4. Box Size

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We offer a Nationwide product installation and packaging removal service. As long as your treadmill is on the ground floor with safe access and adequate space to manoeuvre round in, why not leave the work to us. On average 77.8% of customers opt for our product installation service.

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Model Number:
1 to 20km/h (12.4mph)
3.75CHP and 7HP Peak (AC Motor)
Max User Limit:
14-point S-600 dual airbag absorption system
Running Area:
140 x 52cm
2 years
Warranty Type:
Home use
Warranty Details:
2 years parts & labour, 5 years frame and motor
Heart Rate Measurement:
Hand pulse (hand grip sensors)


Running Belt Thickness:
2mm Providing unrivalled comfort and grip
Running Deck Thickness:
Boxed Dimesions:
L.190 x W.92 x H.42cm
Assembled Dimensions:
L.193 x W.88 x H.139cm
Folded Dimesions:
L.115 x W.88 x H.157cm
Length Of Power Lead:
153cm Approximately


7" Crystal Blue Backlit LCD Monitor
Quick Keys For Speed:
Auto Incline:
YES (0 - 22 Levels)
Quick Keys For Incline:
Handrail Speed Buttons:
Handrail Incline Buttons:
Incline Buttons:
BMI Feature:
Heart Rate Measurement:
Hand Pulse (hand grips)
Console Feedback:
Speed, distance, time, incline, pulse, calories
Workout Options:
Using the ‘Mode’ button you can select from having a chosen distance, calories or time as your target for your workout, whilst still having full control over the speed and incline


Steel and Iron
Running Deck:
Natural incline at base level
Power Supply:
Professional heavy duty DC Motor
(Home Use)
Designed for households in the United Kingdom
(220v - 240v)
Step On Height
(no incline)
21 cm
Step On Height
(max incline)
28 cm
Floor To Handrail:
108 cm
Yes with a 'soft drop system'
Assembly Required:
This product comes partially assembled in a box with assembly instructions included


This product is covered by the following warranty/warranties:

- 2 Years parts and labour warranty

- 5 Years Motor Warranty

- 5 Years Frame Warranty

*Please read our warranty terms and conditions by clicking here


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I have been told that treadmills have a horizontal line called a (join) running across the belt, is this true? And does this join in the belt make a noise?

Yes on both counts that is accurate, I have owned 4 different treadmills before buying this one and they all have a line across the belt and as the join (the line) goes over the front and rear rollers it makes a thudding sound. It soon fades away over time, but they all have it even the ones at my gymnasium had them, you just don’t notice the sound as you are in a huge gymnasium and there is music playing and people talking etc.

Does this treadmill have a DC or AC Commercial grade motor?

AC commercial grade motor.

Does the treadmill come with any pots of lubricant?

Hi, no you need to purchase these separately from the website.

Are the running decks pre-lubricated or will I need to apply lubricant before I start using the treadmill? If so, how much do I need to apply?

My running deck seemed ok but I did call the company and they did say they do apply some when they pre-test the treadmills however if the weather is very cold or very hot by the time the treadmill reaches the customer it can dry up during travel time and possible storage at other warehouses so it is always worth putting your fingers under the belt (when the machine is off obviously LOL) and seeing how it feels, if its dry apply some lubricant as shown in the guidance section in the user manual.

What is the blue round disk?

The blue round disc is a Twister plate, that you stand on and twist side to side and this helps you strengthen your core.

Does this treadmill allow Bluetooth connection for Zwift?

No, it doesn't and in fact most treadmills dont. I use a Zwift foot pod when on this treadmill. I did extensive research when buying a treadmill, as my primary purpose was to use it with Zwift. All of the Bluetooth connected treadmills I found were extremely overpriced for the functionality. When researching further there wasn't much benefit of having a treadmill with inbuilt Zwift connection vs the foot pod (still a faff to set up and similar accuracy). So, I purchased this treadmill and use my foot pod - it's great! I would encourage to you do your own research though, as I brought it a couple of years ago so the technology may have moved on! Branx also confirmed that the Bluetooth function is just for music playback.

Is the installation included?

No installation is sold separately.

Does this treadmill come fully assembled?

No. All of our treadmills are around 85% assembled. It will come in one box and will be in the folded flat position, you just need to bolt the upright arms into position and attach the console along with a few covers etc.

The running belt seems to be sticking and/or juddering when I am walking and/or running on it?

Loose running belt requiring tightening? Oil has gotten on the drive belt located under the motor cover because too much oil has been applied or the machine has been in the upright storage position for too long too soon after being lubricated. Please call the team for advice.

What is the best way to look after my treadmill.

keep it clean and as dust free as possible. Wipe down with a dry cloth after every use. Avoid placing it in a damp or too hot environment.

How do you operate the Bluetooth?

Operating the Bluetooth is really simple. Firstly, make sure you don’t have lots of other devices like an apple watch etc paired up as this can make it difficult for more devices to work at the same time. Open the Bluetooth settings on your device and then find RunningV2/V3 or WZKJ and pair it up. As long as your treadmill is on it will pair up within a few seconds.

Is this treadmill in a slight gradient when showing zero on the gradient button?

Yes. More than 95% of home-use treadmills that have auto incline are on a slight gradient at the front. The reason for this is because all of the mechanisms for the incline piston are located at the front. This is totally normal.

Does the treadmill display the speed in kph or mph and can you switch between the two?

The majority of home-use treadmills display the speed in kph and you can’t switch between kph and mph. Commercial treadmills are different but a lot more expensive.

Is the treadmill suitable for barefoot running?

It is advised that anyone using our treadmills wears suitable footwear.

I want to protect my floor/carpets. Are mats okay to be used?

Mats are ok to be used but it’s not recommended you use mats on carpets as it will be too bouncy and that is not ideal for the treadmill. The treadmill should sit on a hard flat surface. It’s ok to put a mat underneath the treadmill on a hard floor and this is actually recommended.

Can you customise the programs?

No. All programmes are pre-set and cannot be changed.

I received my treadmill and it’s making a thudding sound, is this normal?

Yes, its perfectly normal especially the belt making this sound. As the belt is new, the join in the belt will make a thudding sound as it moves over the front and rear rollers, the faster the speed the faster the thudding sound. This sound lessons over time as it beds itself in. Also, its normal for the shocks especially at the front of the machine to squeak, this is just normal bedding in sounds and is totally normal.

I received my treadmill and it’s shaking a bit and feels wobbly and a bit unstable?

It shouldn’t be wobbling about. Check its sitting firmly on a hard floor with no lift on any areas of the treadmill. You can make small adjustments at the front if your floor is not level. This is essential you cover this first as all points of the underside of the treadmill should be sitting firmly on your floor. Then you need to check that all the holes line up and all nuts and bolts are all nice and tight.

Can I keep the treadmill in my garage?

Yes and No. Always check this out with Branx Fitness first as we have a few questions that will need covering beforehand. Things like is it damp, is the garage attached to your property, how old is your property etc are just some of the questions.