SAVE 5% NOW on any order over $899. Use coupon code SAVE5

View by Brand

View by Category

Elliptical Trainers
Aerobics / Yoga / Pilates
Bars / Grips / Collars
Bikes That Fold
Boxing Equipment
Cable Crossovers
Exercise Bikes
Floor Mats
Free Weights
Functional Trainers
Game Bikes
Indoor Group Cycles
Inversion Tables
Jogging Strollers
Kids Fitness
Lower Body / Leg Machines
Rehabilitation Products
Smith / Cage / Rack
Strength Training
Tanning Beds
Upper Body / Arm Machines
DVDs and Books
Sales and Demo Units
Vibration Therapy

Glendora, CA Showroom Hours
By Appointment Only
Click here for details
Why buy from us
Lowest price guarantee
Get it for free
Warranty Questions?
Shipping & Delivery
Quantum QCS-542 Ab / Back Machine

Retail Price: $3,895.00
Your Price: $3,295.00

You Save: $600.00
Financing available
Lowest price guarantee
Earn a 5% Commission
Delivery included in price
In Stock - Ships Immediately
Applies to CA deliveries
Ships From:
Estimated Delivery Time:
1-2 weeks
Assembly Requirements:
Available in Showroom:
Click here for info

SAVE 5% NOW on any order over $899. Use coupon code SAVE5 on order page.       
Quantum QCS-542 Seated Ab / Back Extension Machine 

Own two Quantum Fitness strength machines in one with the Quantum QCS542 Ab/Back Machine, part of the complete line of Combination Series commercial fitness equipment. The Quantum QCS-542's user friendly design allows for ab and back exercises from a comfortable seated position. 

The Quantum QCS-542 Ab/Back Machine features a simple, high functionality design that's easy to sit down to and also exit. Single 150 lb. steel weight stack comes finished in flat black paint. Each individual weight plate is numbered in total weight added and also fitted with dual self aligning, low-friction, machine-pressed nylon bushings for smooth, effortless movement. Weight stack rests on a 1.5" thick rubber base to dampen noise and reduce shock.

Experience the high quality craftsmanship and strong warranty of Qauntum's health club quality products. The QCS-542 Ab/Back Extension Machine by Quantum Fitness is dual-use fitness equipment that combines two gym machines into a single budget-friendly workout package.

Quantum's commercial quality, American-made line of Combination Series dual function gym machines are comparable models to Quantum's complete line of club strength fitness equipment, with the same high-strength structural frame, steel weight stacks, upholstery and designs well-suited to a broad range of user types and fitness facilities of all kinds. Quantum's machine configurations are specially designed to suit a variety of facilities. Quantum Fitness offers twelve commercial models of space-saving, dual function gym equipment to choose from.

  • Simple dual function design
  • Low starting resistance
  • Comfortable seated exercise position 
  • Easy entry and exit point
  • Simple lever arm adjustments
  • 12 available Combination Series models

Write Review Tell a Friend  
Schwinn 431 Elliptical Trainer
Schwinn 431 Elliptical Trainer
Tunturi C65 Crosstrainer Elliptical
Tunturi C65 Crosstrainer Elliptical
Matrix E5x Elliptical Cross Trainer
Matrix E5x Elliptical Cross Trainer
ProForm 505 CST Treadmill
ProForm 505 CST Treadmill
SwissBike™ LX 24-Speed Folding Mountain Bike
SwissBike™ LX 24-Speed Folding Mountain Bike
Lifespan Fitness TR3000-HRC Treadmill
Lifespan Fitness TR3000-HRC Treadmill
Shopping Cart more
0 items
Notifications more
NotificationsNotify me of updates to Quantum QCS-542 Ab / Back Machine
Tell A Friend
Tell someone you know about this product.
Featured more
Precor 546 Elliptical Remanufactured (AKA Precor EFX 546)
Precor 546 Elliptical Remanufactured (AKA Precor EFX 546)
What's New? more

Call For Price
Reviews more
Write ReviewWrite a review on this product!

Sales & Return Policy
| Customer Service | Privacy Statement | Contact us
Check These | Fitness Resource Index |
Notify us of any problems or mistakes on this page

Copyright 2014 All rights reserved.