Vision V-KEY-SL-531-K1 Ab / Low Back + IW

The Vision Keystone Ab / Low Back with Incremental Weight (IW) is a versatile selectorized strength machine designed to train both the abdominal muscles and lower back in one compact unit. The dual-function design allows users to perform controlled abdominal crunch and back extension movements to strengthen the core and posterior chain. Integrated incremental weight adjustments allow for precise resistance changes, while the optional RC1 add-on expands range-of-motion adjustment for enhanced training flexibility. Ideal for commercial fitness facilities and high-end home gyms.

KEY FEATURES

Dual Exercise Functionality – Supports both abdominal crunch and lower back extension exercises in one machine.

Incremental Weight (IW) – Built-in incremental weight system allows precise resistance adjustments for progressive training.

Targeted Core Training – Effectively strengthens abdominal muscles, lower back, and core stabilizers.

Ergonomic Pad Design – Supportive pads promote proper positioning and comfort during both exercises.

Adjustable Start Position – Allows users to customize the movement range for comfort and training preference.

Optional RC1 Add-On – Expands range-of-motion adjustment for additional training versatility.

Selectorized Weight Stack – Smooth, consistent resistance ensures controlled and effective strength training.

Commercial-Grade Steel Frame – Heavy-duty construction built for durability in high-use fitness environments.

Comfort Padding & Upholstery – High-density foam padding provides stability and long-term comfort.

Enclosed Weight Stack – Protective shrouds enhance safety and maintain a clean, professional appearance.

SPECIFICATIONS

Model: Vision Keystone Ab / Low Back w/ IW
Machine Type: Selectorized dual-function machine
Exercises: Abdominal Crunch and Back Extension
Resistance Type: Selectorized weight stack with incremental weight adjustment
Frame Type: Commercial-grade steel
Adjustments: Adjustable start position
Optional Add-On: RC1 Range of Motion Adjustment
Weight Stack: Approx. 200 lbs (varies by configuration)
Use: Commercial and residential

DIMENSIONS & WEIGHT

Dimensions: Approx. 60" L x 50" W x 60" H
Product Weight: Approx. 550+ lbs (varies by configuration)

WARRANTY

Frame: Lifetime
Parts: 5 years
Labor: 2 years