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<p><strong>Models: <style type="text/css" id="isPasted"></style><style type="text/css"></style><span data-sheets-root="1">HUOKB4, <style type="text/css" id="isPasted"></style><style type="text/css"></style><span data-sheets-root="1">HUOKB6,&#xA0;</span></span>HUOKB8, HUOKB12, HUOKB16, HUOKB20, HUOKB24, HUOKB28, HUOKB32</strong></p><p style="margin-left: 20px;">4 kg: <a href="https://cdn.shopify.com/s/files/1/0754/7135/6203/files/80691-EN-V2026-01-27-UM_HUOKB4_HYROX_KB_4KG.pdf?v=1787776245" target="_blank" rel="noopener noreferrer">User Manual - English</a> (2026-01-27)</p><p style="margin-left: 20px;">6 kg: <a href="https://cdn.shopify.com/s/files/1/0754/7135/6203/files/80692-EN-V2026-01-27-UM_HUOKB6_HYROX_KB_6KG.pdf?v=1787776245" target="_blank" rel="noopener noreferrer">User Manual - English</a>&#xA0;(2026-01-27)</p><p style="margin-left: 20px;">8 kg: <a href="https://cdn.shopify.com/s/files/1/0754/7135/6203/files/80274-EN-V2024-07-26_UM_HUOKB8_HYROX_KB_8KG.pdf?v=1759260079" target="_blank" rel="noopener noreferrer">User Manual - English</a> (2024-07-26)</p><p style="margin-left: 20px;">12 kg: <a href="https://cdn.shopify.com/s/files/1/0754/7135/6203/files/80275-EN-V2024-07-26_UM_HUOKB12_HYROX_KB_12KG.pdf?v=1759260079" target="_blank" rel="noopener noreferrer">User Manual - English</a> (2024-07-26)</p><p style="margin-left: 20px;">16 kg: <a href="https://cdn.shopify.com/s/files/1/0754/7135/6203/files/80046-EN-V2024-07-26_UM_HUOKB16_HYROX_KB_16KG.pdf?v=1759260079" target="_blank" rel="noopener noreferrer">User Manual - English</a> (2024-07-26)</p><p style="margin-left: 20px;">20 kg: <a href="https://cdn.shopify.com/s/files/1/0754/7135/6203/files/80276-EN-V2024-07-26_UM_HUOKB20_HYROX_KB_20KG.pdf?v=1759260079" target="_blank" rel="noopener noreferrer">User Manual - English</a> (2024-07-26)</p><p style="margin-left: 20px;">24 kg: <a href="https://cdn.shopify.com/s/files/1/0754/7135/6203/files/80047-EN-V2024-07-26_UM_HUOKB24_HYROX_KB_24KG.pdf?v=1759260079" target="_blank" rel="noopener noreferrer">User Manual - English</a> (2024-07-26)</p><p style="margin-left: 20px;">28 kg: <a href="https://cdn.shopify.com/s/files/1/0754/7135/6203/files/80277-EN-V2024-07-26_UM_HUOKB28_HYROX_KB_28KG.pdf?v=1759260079" target="_blank" rel="noopener noreferrer">User Manual - English</a> (2024-07-26)</p><p style="margin-left: 20px;">32 kg:&#xA0;<a href="https://cdn.shopify.com/s/files/1/0754/7135/6203/files/80048-EN-V2024-07-26_UM_HUOKB32_HYROX_KB_32KG.pdf?v=1759260079" target="_blank" rel="noopener noreferrer">User Manual - English</a> (2024-07-26)</p><p><br></p>

Models: HUOKB4, HUOKB6, HUOKB8, HUOKB12, HUOKB16, HUOKB20, HUOKB24, HUOKB28, HUOKB32. 4 kg: User Manual - English (2026-01-27). 6 kg: User Manual - English (2026-01-27). 8 kg: User Manual - English (2024-07-26). 12 kg: User Manual - English (2024-07-

Manuals

Equipment

Centr x HYROX

Centr x HYROX Kettlebells

Hyrox Competition Octo Kettlebell

What are the community guidelines and rules?

What is CENTR and how does it work?

How do I start my free trial?

Will I be charged during my free trial?

How do I redeem a promo code or gift subscription?

How do I create my CENTR account?

Which subscription plan should I choose?

How do I set up my profile and goals?

How do I select my fitness level?

How do I choose my workout program?

What equipment do I need to get started?

How do I download the CENTR app?

Can I use CENTR on multiple devices?

Which devices are compatible with CENTR?

How do I navigate the CENTR app?

Where can I find help and support?

What should I do first after signing up?

How long are CENTR workouts?

Can I try CENTR before committing?

What happens after my trial ends?

How do I cancel if CENTR isn't for me?

Is there a community or support group?

What if I have dietary restrictions?

Do I need a gym membership to use CENTR?

A Better Centr Experience, All in One App

Getting Started

I can't log in to my account

I forgot my password - how do I reset it?

I'm not receiving password reset emails

My password reset link isn't working

I'm getting an invalid credentials error

I'm being logged out repeatedly

I can't access my account with Apple Sign-In

Understanding Apple Private Relay email issues

How do I find my Apple Private Relay email?

How do I change my password?

How do I use Apple Sign-In?

How do I use Google Sign-In?

Switching from email to social login

How do I update my email address?

How do I update my profile information?

How do I manage notification settings?

How do I link Apple or Google Sign-In to my account?

Can I recover a deleted account?

Account & Login

How do I request a refund?

I cancelled my subscription but was still charged

What happens when my free trial ends?

What is the refund policy?

How do I view my subscription details?

Will I lose access immediately after cancelling?

How do I reactivate a cancelled subscription?

Understanding auto-renewal

How do I upgrade my subscription plan?

How do I downgrade my subscription?

How do I pause my subscription?

I was charged but my trial shouldn't have ended yet

What payment methods are accepted?

How do I update my payment method?

Why was my payment declined?

How do I fix a failed payment?

When will I be charged?

How do I view my billing history?

How do I get a receipt or invoice?

Understanding subscription vs one-time charges

When will I receive my refund?

I was charged incorrectly

I see duplicate charges

Disputing a charge with my bank

Managing your Apple App Store subscription

Managing your Google Play subscription

How do I cancel my subscription?

Managing your web subscription (centr.com)

Subscription & Billing

What if I miss a day in my program?

How do I log weights and reps?

Why isn't my workout marking as complete?

How do I skip or modify exercises?

What types of workouts are available?

Can I play my own music during workouts?

How do I browse available workouts?

How do I search for specific workouts?

How do I filter workouts by equipment?

How do I filter by duration?

How do I find workouts for my fitness level?

What programs are available?

How do I start a program?

How do I switch programs?

Can I do multiple programs at once?

How do I restart a program?

How do I customize my workout plan?

How do I view my workout history?

How do I play and pause workouts?

How do I adjust video quality?

Understanding rest timers and intervals

How do I track my strength gains?

Workouts & Programs

How does the meal planner work?

How do I set my dietary preferences?

How do I handle food allergies?

Can I customize portion sizes?

How do I swap meals?

How do I plan for a family?

How do I use the shopping list?

How do I meal prep efficiently?

Understanding serving sizes

Can I save favorite recipes?

How do I log my meals?

Nutrition & Meals

How do I manage data usage?

How do I adjust notification preferences?

How do I access meditation content?

How do I save workouts to favorites?

Understanding rest timers and workout intervals

How do I connect my Apple Watch?

How do I cast to Chromecast?

How do I use AirPlay?

How to screen mirror your Centr workouts (iOS)

App Features & Settings

The app crashes when I open it

Videos won't play or keep buffering

I keep getting logged out of the app (Android)

App stuck on CENTR logo

The app is freezing or unresponsive

The app is running slowly

I see a blank or white screen

Content isn't loading properly

Login problems after v8.0 update

My workouts disappeared after app update

Video quality is poor

Audio is out of sync

My progress isn't syncing

Workouts aren't marking as complete

My data is missing or incorrect

Multiple device sync issues

Slow loading times

Should I delete and reinstall?

How do I provide feedback about CENTR?

Troubleshooting

Subscription Renewal Update

Centr Login Update & How To Prepare (Before Sept. 28th)

Centr Login Update & How To Prepare (After Oct 25th)

Centr Login Update

Centr App Service Bulletins

Centr App

10" & 15.6" LED Touchscreens

15" Touch Key LED Console

Tablet Holder

Consoles

FAQs

Assembly Video

Demo Video

Maintenance & Troubleshooting

Centr RUNR Treadmill

Centr RUNR-S Treadmill with 10" Screen

Centr X HYROX Perform Tread

Demo Videos

Inspire Series T4 & T4S Treadmill

Inspire Series T5 & T5S Treadmill

Inspire Series T7 & T7S Treadmill

Belt Alignment Video

General Treadmill Maintenance & Troubleshooting

(JUL 2025) Common Treadmill Issues – Current Solutions & Best Practices

Treadmill Service Bulletins

Centr OTA App

Firmware Updates

Inspire Tread 3 Motorized Treadmill

Discontinued Treadmills

Treadmills

Centr 1 Home Gym Functional Trainer

Centr 2 Home Gym Functional Trainer

Centr 3 Home Gym Functional Trainer with Selectorized Smith Bar

Centr Power Series SF6 Smith Functional Trainer

Inspire FT1 Functional Trainer

Centr Inspire Series FT1 Pro Functional Trainer

Inspire FT2 Functional Trainer

Centr Inspire Series FT2 PRO Smith Functional Trainer

Inspire FTX & FTXC Functional Trainer

Inspire SF3 Smith Machine Functional Trainer

Inspire CG3 Functional Trainer

Discontinued Functional Trainers

Functional Trainers

Centr Multi-Gym

Centr Body Weight Home Gym Machine

Inspire BL1 Body Lift Multi-Gym

Inspire M2 Multi-Gym

Inspire M3 Multi-Gym

Inspire M5 Multi-Gym

Multi-Gyms

Strength

ManualsUpdated 3 days ago