The StairMaster Jacobs Ladder 2 (JL2) is a specialized climbing fitness system designed for home gyms, personal training studios, and boutique fitness spaces seeking high-intensity conditioning with minimal joint impact. Engineered with a signature 40-degree climbing angle, the JL2 places the body in an ergonomically neutral posture that substantially reduces stress on the lower back, hips, and knees while delivering exceptional cardiovascular output and calorie burn across all major muscle groups.
Designed specifically to fit residential spaces, the JL2 features a compact 27.25-inch width that navigates standard doorways with ease. The continuous ladder mechanism utilizes durable steel rungs shielded by protective polyurethane sleeves, paired with a powered 220V drive and a digital feedback console that monitors workout duration, total feet climbed, ascent speed, calorie expenditure, and chest-strap heart rate metrics.
Size & Space Requirements
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Dimensions (L × W × H): 193 × 69 × 166 cm (76 × 27.25 × 65.5 inches)
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Product Weight: 136 kg (300 lbs)
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Max User Weight: 125 kg (275 lbs)
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Rungs: Tubular steel core with high-durability polyurethane sleeves
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Power Requirement: 220 V
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Recommended Ceiling Height: Minimum 229 cm (7.5 ft)
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Digital Readouts: Elapsed Time, Feet Climbed, Rate (Feet/Min), Calorie Burn, Heart Rate (chest strap compatible)
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Shipping Dimensions: 74 × 197 × 180 cm (29 × 77.5 × 71 inches)
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Shipping Weight: 185 kg (407 lbs)
Thanks to its slim 27.25-inch profile, the JL2 readily passes through standard residential doorways during delivery and room setup. Ensure ceiling clearance meets the 7.5-foot minimum threshold so climbers have ample overhead head room, and allow a dedicated floor perimeter around the base for safe mounting, dismounting, and tether cord movement.
Care & Maintenance
- Wipe down the polyurethane rungs, side handles, and display console after workouts with a non-abrasive disinfectant wipe.
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Periodically check the polyurethane sleeves on each rung for surface wear, tears, or slippage.
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Keep the drive track, chains, and internal housings clear of dust, hair, and ambient debris.
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Inspect the waist tether harness, cable connector, and tension-adjustment belt regularly for wear or fraying.
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Check power cords and 220V plug connections to ensure secure, undamaged electrical operation.
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Follow the manufacturer's suggested schedule for internal cable tension and chain lubrication checks.
Safety & Usage Tips
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Fasten and adjust the tether belt securely around your waist before beginning a climb, as the tether controls the speed-governing brake mechanism.
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Climb at a steady, controlled cadence when starting a round to adjust to the 40-degree incline angle.
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Avoid gripping the side rails during active climbing; use a natural hand-over-hand rhythm on the rungs for optimal functional mechanics.
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To slow or bring the rungs to a complete stop, ease your climbing pace and step down toward the bottom of the ladder to engage the brake.
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Never exit the unit while the rungs are actively moving; verify the ladder is stopped before unhooking your tether.
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Ensure the machine rests on a level, protective gym floor mat to reduce vibration and ensure rock-solid stability during sprint intervals.
