Only a single adjustment is needed for the user of the Discovery™ Series Selectorized Line Back Extension to begin exercising. The intelligent design includes a contoured pad to support the back for proper spinal biomechanics during exercise.
The fixed foot plate provides a stable foundation for users of all sizes.
Very little time is needed to get going on this unit. One single adjustment of the movement arm allows for user to get in and start working out.
The contoured back pad provides the proper support to ensure back muscle activation during workout.
Units have fully shrouded weight stacks in full compliance with ASTM and EN standards.
Each selector plate is entirely precision-machined on all surfaces. Top plate has replaceable precision self-lubricating bushings.
The plates feature a black painted protective finish. Guide rods are precision centerless ground, polished, with corrosion-resistant plating for smooth operation and rust retardation.
The weight stack is elevated to facilitate user pin selection from seated position.
Premium-quality 3D urethane molded-foam padding for maximum comfort. Fabric meets or exceeds California fire regulations (Bulletin 117, section E). Automotive-grade, two-textured fabric features double top stitching on all seams.
Yes, gas-assisted ratcheting seat adjustment
Ratcheting seat adjustments require only a lift to release the lever. Handles include slip-resistant rubber sleeves with machined alloy end-caps. Adjustment points are highlighted with a contrasting color for ease-of-use.
Easy to understand exercise placards feature large set-up and start and finish position diagrams that are visibly easy to identify. QR codes provide quick and easy video instruction from your smart phone or Preva app.
Oversized, linear, re-circulating ball bearings run on case-hardened shafts and are sealed and self aligning. Pivot points and joints feature motor-grade sealed ball bearings, or sleeve bearings, utilizing either oil-impregnated bronze bushings or pre-lubricated nylon bushings. Bolts are grade 5 or above in all applications.
The drink-and-accessory holder features large open, even surfaced area, easily accessable and easy to keep clean.
Glass-fiber-reinforced nylon pulleys for durability, with precision motor-grade ball bearing pulleys. Cable consists of 3/16 inch (7″x19″) aircraft cable coated with black pressure-extruded nylon to 1/4 inch or 1/8 inch and coated to 3/16 inch. The cables conform to specification MIL-W-83420D-BARE cable only. When used, redirection pulleys route cables close to frame to minimize chance of external interference.
The frame is 11 gauge (.120 in) 2×4″ electroweld steel racetrack tubing. Movement arms are made of electroweld steel round tubing. The five-stage material prep/wash process if followed by an electrostatically applied, heat-cured powder coat.
Unique design allows user to begin by making only one adjustment to the movement arm start position. Contoured pad supports the back for proper spinal biomechanics during exercise.
5 lb (2.3 kg)
160 lbs / 73 kg
Gloss Metallic Silver
Black Magic Gloss
78 L x 51 W inches / 198 L x 130 W cm
48 inches / 122 cm
43 inches / 109 cm
488 lbs / 221 kg
59 inches / 150 cm
535 lbs / 243 kg