The G4 takes the CORNERSTONE™ concept further with dual weight stack technology. This foundational trainer anchors your entire gym with power rack strength, cable precision, and Smith machine safety—all refined for serious lifters who accept nothing less than the best.
Experience training redefined. Dual 170 lb stacks deliver commercial-quality cable movements in your home. The heavy-duty frame handles your heaviest lifts while the compact footprint respects your space. This is professional-grade equipment, engineered for home.
Precision matters here. Fifty numbered adjustment points eliminate guesswork. Aircraft-grade cables handle 2000 lbs without compromise. Fast assembly gets you under the bar quickly. Every detail optimized for performance.
Built to grow with you. Smooth Smith action on quad-bearing rollers. Expandable with Jammer Arms, Leg Press, and more. Upgradeable to 220 lb stacks when you're ready. The G4 CORNERSTONE™—your gym's foundation, perfected.
The G4 comes fully loaded with essential attachments and gear, with room to upgrade when you’re ready to take it up a notch—or several.
Add compact Jammer Arms for explosive presses, rows, deadlifts, shrugs & squats.
Add polished aluminum pulleys—precision-crafted, bold look, complete kit with exact fit.
Add an adjustable footplate—engineered for stability, precision, and stronger pulls.
Add Dip Handles to fire up chest, triceps & shoulders—wide and narrow grips, fast setup.
Add a 3-in-1 bench with FID settings plus leg curl, extension, and preacher curl.
Premium aircraft-grade aluminum. Self-locking design, 10,000+ drop tests.
Add a pulldown seat—stable, supportive design for stronger lats, traps, and rear delts.
Add a Black Zinc barbell—1500 lb, 235K PSI, ultra-smooth spin built for serious lifters.
Add rolling plate & barbell storage—6 horns, 6 holders, heavy-duty yet portable design.
Add rolling attachment and upgrade storage—customizable, mobile, always within reach.
Add cushioned, interlocking tiles for quick setup, secure hold, and lasting floor protection.
Add durable, rubber-coated plates with tri-grip design—sold in pairs or complete sets.
Add assembly by screened, insured pros for expert setup—save time and skip the stress.
Add pro maintenance—3 or 5-year plans with annual service visits and warranty labor included.
