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Gyms & boutique studios
Chains, low-cost and premium studios
Fitness technical service · Madrid & SpainMachines ready.
Machines ready.
Gyms that perform.
Assembly, repair and maintenance of fitness equipment for gyms, companies, residential communities and homes. Multi-brand technical service with over a decade of experience.
- +10
- years of experience
- +500
- machines serviced
- 24/48h
- response time
Multi-brand technical service
TechnogymLife FitnessMatrixPrecorCybexNautilusHammer StrengthBH FitnessStar TracJohnsonTechnogymLife FitnessMatrixPrecorCybexNautilusHammer StrengthBH FitnessStar TracJohnson
ServicesEverything your gym
Everything your gym
needs under one roof
A single technical team for installation, maintenance, repair and turnkey projects. Fewer suppliers, more time open.
Technical service
Diagnosis and repair of multi-brand cardio and strength machines. Original parts.
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Maintenance
Periodic preventive contracts that avoid breakdowns and extend equipment lifespan.
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Assembly
Professional installation of machines and structures: rigs, cages and strength racks.
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Upholstery
Reupholstering of benches, tables and seats. High-resistance materials.
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Rubber flooring
Technical flooring, artificial turf and sports surfaces with certified installation.
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CrossFit panels
Wood cladding, sound-absorbing panels and premium finishes for your box.
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Machine sales
New and used equipment. Advice and financing available.
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Turnkey projects
End-to-end gym design, from the floor plan to the first class.
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Where we install
From the garage to a 1,000 m² gym
We adapt every project to its scale and use. We work with individuals, residential communities, companies, hotels and large chains.
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CrossFit & functional
Rigs, wood panels and technical flooring
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Hotels & spas
Fitness areas for demanding guests
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Residential communities
Residential fitness rooms
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Companies & offices
Corporate wellness and wellness rooms
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Individuals
Custom home gyms
Why CJ FitnessA technical partner who
A technical partner who
speaks your language
We're not a call center. We're hands-on technicians who understand that every minute a machine is down is money lost. We work with pit-stop urgency.
Official technicians
Trained by the leading fitness industry brands.
Fast response
Intervention within 24–48h in Madrid and nearby areas.
Guaranteed parts
Original or certified equivalent replacement parts.
No-obligation quote
Technical visit and transparent assessment before intervening.
Projects
Projects that open and perform
A selection of recent work at gyms, companies and private homes.
Turnkey project
Retail chain · 850 m²
Full supply, assembly and start-up with multi-brand equipment.
CrossFit
CrossFit box · Madrid
Wood panels, double rig, high-density rubber flooring.
Home Gym
Private residence
Custom fitness room with premium finishes and cardio equipment.
Flooring
Rubber flooring
Technical installation at a neighborhood gym, 400 m².
Upholstery
Bench reupholstering
Full renovation of 40 benches and tables.
Repair
Machine recovery
Diagnosis, parts and tune-up of a full equipment fleet.
Process
From the call to the first workout
A simple, transparent flow, designed so you don't have to think about it.
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Contact
Tell us what you need by phone, WhatsApp or form.
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Diagnosis
Technical visit and accurate assessment of the scope of work.
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Quote
A clear proposal, no surprises and no obligation.
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Intervention
We work punctually and cleanly. Machine ready.
Blog
Latest articles
Maintenance tips, equipment trends and practical advice so your gym never has to stop.
1 min read
Signs your treadmill needs urgent maintenance
Noises, vibrations, a slipping belt... here are the warning signs you shouldn't ignore and when to call a technician.
1 min read
Rubber gym flooring: what thickness to choose for each zone
Not every area of a gym needs the same tile thickness. Here's how to choose the right one for each use.
1 min read
How often should you service your gym equipment (and what happens if you don't)
A practical guide to maintenance frequency by machine type and how heavily your room is used.
Frequently asked questions
We answer your questions before we start
What areas do you work in?
We work in the city of Madrid and the whole Community of Madrid with a 24-48h response time. For the rest of Spain we coordinate technical visits and turnkey projects on a quote basis.
What machine brands do you work with?
Multi-brand technical service: Technogym, Life Fitness, Matrix, Precor, Cybex, Nautilus, Hammer Strength, BH Fitness, Star Trac, Johnson and other brands in the industry.
How long does a repair take?
Most repairs are resolved on the first visit. If a specific part is needed, we give you a realistic timeline before starting work, usually 24-48h.
Does the quote cost anything?
No. The technical visit and assessment are free and with no obligation. We only invoice if you decide to go ahead with the work.
Do repairs come with a warranty?
Yes, all our repairs include a written warranty and we use original or certified equivalent parts.
Do you offer periodic maintenance contracts?
Yes, we adjust the visit frequency to your room's actual usage, from monthly checks in 24h gyms to yearly checks in residential community rooms.
Is your machine down? We'll get it running again.
No-obligation quote in under 24 hours.
ContactLet's talk about your
Let's talk about your
next project
Just a few lines: what you need and where. We'll call you the same day.
Phone
+34 614 217 127Address
Av. Puente Cultural 6, oficina bajo 3 28702 San Sebastián de los Reyes, Madrid