Cal Gym Selectorized Leg Extension -- Tuff Stuff (CG-7512)

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Tuff Stuff CG-7512 Selectorized Cal Gym Leg Extension Machine
Tuff Stuff CG-7512 Selectorized Cal Gym Leg Extension MachineTuff Stuff CG-7512 Cal Gym Leg Extension Machine with Weight StackTuff Stuff CG-7512 Cal Gym Leg Extension Machine for Quadricep Training
Your Price: $2,999.00

CalGym CG-7512 Selectorized Seated Leg Extension Machine - The CalGym CG-7512 by TuffStuff is a selectorized leg extension machine used for strengthening and toning the quadricep muscles of the leg. The leg extension allows the user to isolate the quads by incorporating only one joint during the movement which is especially beneficial to those that are rehabilitating and want to exercise the quads without compressing the spine or straining the lower back. Performing leg extensions also helps build that sought after “tier drop” directly above the knee for complete quad development.

The CG-7512 commercial leg extension with weight stack includes a biomechanically correct seat angle that ensures maximum quadricep isolation throughout the exercise. An oversized leg roller is tucked underneath the front of the seat for adequate range of motion and telescoping back pad makes sure that users of all sizes are able to properly position the back of the knees just past the end of the seat. Hand grips are included on either side of the seat pad to increase user stability. Weight changes and drop sets are easy thanks to the easy to reach selector pin. Users can adjust the amount of resistance in 10 lb. increments up to as high as 200 lbs..

Construction of the CalGym CG-7512 incorporates only commercial grade components so as to withstand environments such as school weight rooms, training studios and commercial gyms. Frames are constructed from heavy gauge 2” x 4” oval steel tubing as well as 2” x 2” round tubing offering up a sleek, modern look to any facility. For added safety, the weight stack is fully enclosed with access only from the front. Guide rods are solid steel with a hard chrome finish that will never chip or peel and will provide a lifetime of smooth use. And for overall esthetic longevity, all steel tubing is coated with a platinum sparkle powder coat finish.

Have a question about this item or need a quick custom quote? Call an CalGym strength equipment specialist today at 1-888-758-7527. You can also email


  • Ratchet-style telescoping back pad offers quick and easy positioning
  • Self aligning foot roll accommodates various size users
  • Biomechanically correct seat angle ensures maximum muscle isolation and user comfort
  • 200 lbs. steel weight stack
  • Installation: Fits through 36” wide door pre-assembled
  • Wear Covers: Optional upgrades include wear covers with TuffStuff logo or add your own logo for additional upcharge. Allow 2-3 weeks lead time. Please call for inquiries
  • Custom Frame and Pad Colors: Optional upgrades available. Please call for inquiries
  • Frames: MIG welded and bolted for long lasting durability


  • Dimensions: 44" L x 38" W x 59" H
  • Shipping Weight: 500 lbs.
  • Standard Colors: Platinum Sparkle frame with Charcoal accents / Black upholstery

TuffStuff Fitness CalGym Series Standard Specifications and Features:

  • Heavy duty 2" x 4" 11-gauge oval steel frames combined with 2" 11-gauge round tubing accents
  • Sealed 2" roller bearings and 1" diameter solid steel axle encased in machined housing on all primary pivot points
  • 1" solid steel axles with 1" bronze oil lite bushings on all secondary pivot points
  • 4-1/2" and 3-1/2" diameter fiberglass reinforced nylon pulleys with sealed bearings enclosed in protective steel covers
  • High density EMR Urethane foam padding with double-stitched upholstery secured to 3/4" plywood backing
  • Electrostatic powder coat finish in Platinum Sparkle with Charcoal accents (other color options available for additional charge)
  • USA-Made/Certified 2200 lbs. 3/16" military-spec nylon coated cable
  • Magnetically secured selector pins and steel weight stacks are easily accessible from seated position
  • 3/4" precision ground, hard chrome finish, solid steel guide rods
  • Composite SMC safety weight stack enclosures with decorative built-in storage compartment cover
  • Biomechanically designed 7-gauge steel cams provide proper resistance curves throughout full range of motion
  • Thermoplastic rubber handgrips secured with aluminum end caps for durability and improved feel
  • Protective rubber stabilizer feet with anchoring holes provided on all machines


Custom Color Options upcharges apply - Call to order

Custom Frame Color Options
Wrinkle Black
Ebony Chrome
Sky White

Custom Upholstery Color Options

Lite Gray
China Green
Candy Apple
Deep Clay
New Burgundy
Purple Iris
Royal Blue

Tuff Stuff Fitness warrants to the original purchaser that Tuff Stuff Fitness equipment will be free from defects in material and workmanship. All warranty periods begin to run from the date of delivery to the original purchaser. The warranty and remedies set forth herein are conditioned upon proper storage installation, use and maintenance and conformance with any recommendations of Tuff Stuff Fitness. This warranty does not cover products not manufactured by Tuff Stuff Fitness or products which are altered without the express written consent of Tuff Stuff Fitness.

This warranty as specified:
Full Commercial Warranty (Proformance, Cal Gym and XXL Series Products more than 5 hours of use per day):

  • Frames, welds, cams and weight plates - Lifetime
  • Pivot Bearings, Pulleys, Bushings, Gas Shocks, and Guide Rods - Five (5) Years
  • Belts, Linear Bearings, and Pull-Pin Components - One (1) Year
  • Upholstery, Cables, Finish and Rubber Grips - Six (6) Months

Shipping Included
Shipping cost included within the lower 48 states only

Ships via one of our various freight carriers on a wooden pallet. This delivery is considered a curbside delivery only and will be delivered to a location at your address that is acceptable for a tractor trailer at the drivers discretion. Customers are required to be home at the time of delivery to sign the delivery receipt. On most deliveries, customers will receive a 24-hour notification call and lift gate service.

Item Number: CG-7512 ProdID_5080
Product Name: Cal Gym Selectorized Leg Extension -- Tuff Stuff (CG-7512)
Manufacturer: TUFF STUFF
Manufacturer Part No: CG-7512

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