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Flex powered by GymAware

FLEX measures lift performance with laser accuracy and gives powerful real-time feedback through your smart device.

FLEX is for anyone ready to take their training to the next level. Train better, avoid injury and track progress with reliable accuracy using the same metrics and training methods as elite performers the world over. 

FLEX attaches to the end of your barbell and automatically tracks each and every rep.
Expected back into stock in November, subject to change.

£510.00 inc.Vat | £425.00 ex.VAT

Available on back-order


Immediate feedback on every rep and set. Get motivated and stay focused.
Optimise training zones, autoregulate load, identify fatigue and maintain intensity.
Bar Distance, Path & Movement: Scrutinise technique and refine your movement patterns.
Minimal interaction with your phone for hands-free training.

FLEX gives individuals the power of accurate performance data previously restricted to the elite. By integrating cutting edge laser optic technology, FLEX ticks all the boxes – portable, accurate and affordable.

Like GymAware, FLEX measures barbell velocity, power, distance, bar path and bar movement. Every rep is measured and every set is tracked. Real-time lift performance displayed through the FLEXStronger app holds you accountable to session intensity and training zones.

With the rise in popularity of Velocity Based Training, athletes can take advantage of the FLEX as a way to pre-determine their training load. Velocity Based Training uses velocity as a biometric feedback tool to gauge weight training on a day to day basis. FLEX allows users to regulate load daily to ensure your lifting the correct weight to achieve the desired effect, whether this is speed, strength or power focused.
Motivation and programming accuracy are key to achieving results in the weight room and with FLEX this is easy. Instant audio and visual feedback enhance athlete engagement through competitiveness and target setting. FLEX removes the guesswork and allows coaches to track the progress of their clients whether this is remotely or from the gym floor itself.

Utilising technology as part of a system is vital to the success of online coaching and as FLEX can provide accurate data to individuals in the weight room, online coaches are now able to make decisions and provide informed programming. With the world demanding connectivity on every level, FLEX delivers community to its users. Create networks of likeminded individuals who you can share data and progress with, to motivate and challenge each other like never before.

FLEX is perfect for powerlifter and CrossFit athletes, for the first time you can track accurately every repetition to identify exercise weakness’s and drop offs. Track technique with Bar path technology and use this to inform on your training areas whilst all training data is stored under your profile. For specialised gym owners, providing FLEX sensors for use by their members will give them a competitive edge. With the inclusion of FLEX as part of a session, gym owners are able to provide more feedback to their members as well as the chance to build a stronger community amongst their membership base.

VELOCITY: Maintain intensity and choose the optimum weight for every lift.

POWER: Immediate feedback on the performance of every lift and monitor results.

DISTANCE: Maintain range as you fatigue and improve overall technique.

BAR PATH (horizontal): Identify opportunities to refine technique.

BAR POSITION (vertical): Spot sticking points and improve efficiency.

WIRELESS: Rapid bluetooth 5.0 connectivity and over 10 yard range.

• PRECISE: Our laser optic array is ultra precise for trusted data.
• PORTABLE: Lightweight and compact
• Real-time feedback for every lift, as you lift.
• Measures an extensive list of barbell exercises including all major lifts – Bench Press, Deadlift, Squat, Cleans and Snatch.
• FLEX automatically recognises when sets start and finish.
• Use the 1RM protocol to safely estimate 1RM at sub maximal load.
• Compare lifts, share results and compete with friends in the FLEX Community.
• Create Workouts to automate sessions and minimise contact with your wireless device.
• Reports on every session, with weekly and monthly progress updates.
• Review every lift FLEX has ever measured in the History section.

Technical Specification
– Laser optic array
– Data collected at 50Hz
– German shock resistant housing
– Rechargeable lithium polymer battery
– Max. 3 hours to fully charged
– 10+ hours continuous motion capturing*
* average user can expect approx. 1 month between charges
– 175 grams
– 66 mm x 52 mm
– iPhone & iPad (optimised for iPhone)
– iOS v11 and above
– Bluetooth 5.0
– Over 10 metre range

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