Spartaks Strength KB2404 Functional Trainer

Built for the cable-first lifter. The KB2404 is a dedicated functional trainer built on the same 9-gauge steel frame as the rest of the KB24 Series, with an integrated central low row and lat pulldown built right into the rack for efficient training without extra attachments cluttering the floor.

Every KB2404 comes equipped with Tornado Arms — pivoting cable arms built for 180° of horizontal rotation, 50° of vertical adjustment, and a 360° swiveling cable head, with 7 lock positions to dial in your angle. That range covers everything from chest flys and cable crossovers to bicep curls, tricep extensions, and shoulder raises, all from the same pair of arms. The only choice to make is your weight stack size — dual 165LB or dual 220LB, both upgradable to 300LB — to match your strength level and training goals. Either way, the KB2404 is built as a complete cable training system on a single 48" depth frame.

Every KB24 rack is built on the same modular platform. As your training evolves, you don't need to sell the KB2404 and start over — we sell the parts to upgrade it directly into the KB2406, KB2408, or KB2410. Your frame stays, your investment stays, and your rack simply grows with you.

• Central Lat Pulldown — Integrated directly into the frame for efficient workouts with fewer attachments to manage.
• Central Low Row — Built into the same central station as the lat pulldown for seamless transitions between pulling movements.
• Tornado Arms — Pivoting cable arms (standard on every KB2404) with 180° horizontal rotation, 50° vertical adjustment, a 360° swiveling cable head, and 7 lock positions — covering flys, crossovers, curls, tricep extensions, and shoulder raises from one pair of arms.
• Dual Weight Stacks — Choose 165LB or 220LB per side, both upgradable to 300LB, to match your strength level and training goals.
• 9-Gauge Steel Construction — 3.2mm thick steel, roughly 28% thicker than standard 11-gauge (2.5mm), eliminating frame flex during heavy lifts.
• Future-Proof Design — Start with the KB2404 and upgrade later into the KB2406, KB2408, or KB2410 using shared attachments.

Training Stations: Crossover, Half Squat Rack, Low Row, Lat Pulldown, Tornado Arm System, Multi-Grip Pull-Up Bar.

• 2× Spotter Arms — Safety support for unracked lifts.
• 2× J-Hooks — Barbell holders for squats, bench, and overhead work.
• 6× D-Handles — For cable attachments and accessory work.
• 1× Multi-Grip Pull-Up Bar — Multiple grip positions for pull-ups and chin-ups.