Ask An Expert: 888-995-4450
888-995-4450 Ask An Expert
Get My Best Price
Tell us what you're looking for and an equipment specialist will reply. Prefer to talk? Call 888-995-4450.
Black Friday · through Cyber Monday 11/30
Name your price
Tell us your number. An equipment specialist replies with our best offer.
Body Solid SP50 50 Lb. Weight Stack Upgrade
$139.00
Authorized DealerRetail Partner
Human SupportUnmatched service
Best Price GuaranteeOnline & in Store
Shipping & lead time+
Leaves the Warehouse in: 3-5 Business Days
Typical timeline: Process 1–3 business days → leave warehouse in 3-5 Business Days → freight transit ~1–7 business days after pickup.
Small Parcel Items: Ship ground via UPS/FedEx.
Heavy/Large Equipment: Ships curbside in a LTL freight truck. Drivers will call to let you know about the delivery, and you will be required to sign and accept that shipment.
Pricing & Name Your Price+
Black Friday through Cyber Monday: Name Your Price. Tell us your number — a specialist replies with our best offer. Quotes beat coupon codes.
- Tap Get My Best Price or Request a Quote with the product already filled in.
- Call 888-995-4450 for today’s number.
- Price match is still available when a competitor sells the same product, with free shipping, direct from the manufacturer.
Ready to talk numbers? We’re real humans — not a ticket queue.
Delivery & assembly+
Choose how it arrives — and how it’s set up.
- Curbside / threshold: Freight to your location; you (or your team) move it inside.
- White-glove style help: We can point you to installation options in your area so you’re not stuck with a crate and a manual.
- DIY assembly: Most products include instructions; many customers assemble themselves.
- Commercial projects: Multi-unit gyms and facilities — we’ll coordinate delivery and install pathways with you.
Not sure which you need? Call 888-995-4450 — we’ll map it before you buy.
Why Select Fitness+
Shop with confidence:
- Authorized retailer for every brand on this site — new product, manufacturer warranty.
- Insured freight — if shipping damage happens, we help make it right.
- Real specialists — call 888-995-4450 or email info@selectfitnessusa.com.
Ready when you are — add to cart, or request a quote and we’ll work the deal.
Body Solid 50 Lb. Weight Stack Upgrade
The Body Solid 50 Lb. Weight Stack Upgrade is a simple and effective way to increase the performance of your selectorized home gym. Designed to take your standard weight stack to a new level, this upgrade adds extra resistance for users who want more training intensity and greater progression from their existing setup.
Fast and easy to install, the SP50 weight stack upgrade is a practical add-on for compatible Body-Solid selectorized systems. It includes five 10 lb. plates, giving you an additional 50 lbs. of resistance without the need for complicated modifications.
Compatible with a wide range of selectorized home gyms, this upgrade is ideal for users looking to maximize workout efficiency, expand resistance capacity, and get even more value from their strength training equipment.
SP50 50 Lb. Weight Stack Upgrade Features
- Performance Upgrade: Increases the capacity of your standard weight stack for more challenging workouts.
- Additional Resistance: Adds 50 lbs. of total resistance to compatible selectorized home gyms.
- Fast Installation: Designed for quick and simple setup.
- Five Included Plates: Comes with five 10 lb. plates.
- Selectorized Gym Compatibility: Designed for use with compatible selectorized home gym systems only.
- Ideal for Progression: Helps users continue building strength with greater resistance options.
SP50 50 Lb. Weight Stack Upgrade Specifications
- Model: SP50
- Product Type: Weight Stack Upgrade
- Total Added Weight: 50 lbs.
- Included Plates: Five 10 lb. plates
- Compatible Models: G2B, G3S, G4I, G5S, G6B, G8I, G10B, GDCC201, GDCC200, GDCC250, P1X, P2X
- Usage: For selectorized home gyms only
Increase your training potential with the Body Solid SP50 Weight Stack Upgrade and enjoy more resistance for stronger, more effective workouts.
Shop the SP50 today to upgrade your compatible home gym with added performance, simple installation, and long-term strength training value.
Need Any Help?
Work With One Of Our Experts For:
- Exclusive Equipment Selection
- Our Best Commercial Pricing Tiers
- Multi-Channel Priority Support
- A-Team White Glove Installations
- Extended Warranty & Maintenance
“From kind and professional service, to great communication detailing the status of our orders, to the quality of the equipment - I couldn’t have asked for anything better.”
Complete This Form