Inspire SF6 Home Gym Functional Trainer with Selectorized Smith Bar

The Inspire Series SF6 Smith Functional Trainer combines a selectorized Smith Machine and a Functional Trainer in one compact footprint.

Designed for heavy, smooth, full-body training, the SF6 features a selectorized Smith bar with a built-in weight multiplier that can double resistance up to 350 lbs / 158.7 kg.

Centr's patented Smith bar design lets users switch resistance with a quick pin release, eliminating the need to change, store, or drop plates during training.

The premium pulley and cable system provides a consistent feel on every rep, with 2 lower pulleys, 2 upper pulleys, and 2 wide pulleys, all vertically adjustable.

With 30 vertical pulley positions, a 2:1 resistance ratio, heavy-duty steel construction, and included attachments, the SF6 supports smooth cable motion and versatile full-body strength training.

Product name: Inspire Series SF6 Smith Functional Trainer

Product type: selectorized Smith Machine and Functional Trainer

Smith system: selectorized Smith bar with built-in weight multiplier

Maximum Smith resistance: up to 350 lbs / 158.7 kg

Resistance adjustment: quick pin release

Weight stacks: 2 x 165 lbs, approx. 2 x 74.8 kg

Weight stack upgrade: upgradeable with weight stack add-on, sold separately

Pulleys: 2 lower, 2 upper, and 2 wide pulleys

Pulley adjustment: vertically adjustable

Vertical pulley positions: 30 positions

Resistance ratio: 2:1

Frame: heavy-duty steel

Finish: matte black powder coat

Pull-up bar: diamond knurled grip with 3 adjustable height positions

Max user weight on pull-up bar: 350 lbs / 158.7 kg

Storage: built-in central storage for accessories, water bottles, and devices

Product dimensions: 150 cm x 139.2 cm x 225.4 cm, L x W x H

Compatibility: works with Leg Conversion Kit, compatible bench, and Leg Ext / Curl Bench Attachment

Centr App: includes 3 free months on the Centr App

Two-in-one design: combines a selectorized Smith Machine and Functional Trainer in one compact footprint.

Built-in weight multiplier: selectorized Smith bar can double resistance up to 350 lbs / 158.7 kg.

Quick pin release: switch resistance without changing, storing, or dropping Olympic plates.

Premium pulley system: cable and pulley system delivers a consistent feel on every rep.

30 pulley positions: vertically adjustable pulleys allow precise setup for a wide range of movements.

2:1 resistance ratio: supports smooth, controlled cable motion.

Built-in storage: central storage keeps accessories, water bottles, and devices organised.

The selectorized Smith bar is designed for heavy, controlled strength training without the need for Olympic plate changes.

Patented design: Centr's patented Smith bar system connects to selectorized resistance.

Weight multiplier: built-in system can double resistance up to 350 lbs / 158.7 kg.

Quick resistance changes: quick pin release lets users adjust resistance efficiently between exercises.

No plate handling: eliminates changing, storing, or dropping plates.

Controlled lifting: suitable for Smith-style squats, presses, and other staple strength movements.

Heavy training: designed to support demanding strength work while maintaining a smooth training feel.

The SF6 uses a premium pulley and cable system for full-body cable training with frictionless, consistent performance.

Total pulley setup: 2 lower pulleys, 2 upper pulleys, and 2 wide pulleys.

Vertical adjustment: pulleys are vertically adjustable.

Setup range: 30 vertical pulley positions allow users to dial in the correct angle for each movement.

Resistance ratio: 2:1 ratio supports smooth, controlled cable motion.

Cable feel: premium pulley and cable system provides a consistent feel on every rep.

Exercise variety: supports cable rows, presses, flys, curls, triceps work, core movements, lower-body work, and functional training.

Weight stacks: 2 x 165 lbs, approx. 2 x 74.8 kg.

Resistance selection: selectorized pin-loaded design allows fast resistance changes.

Upgradeable resistance: weight stacks are upgradeable with a weight stack add-on, sold separately.

Smith resistance: built-in weight multiplier can double resistance up to 350 lbs / 158.7 kg.

Cable resistance: 2:1 resistance ratio provides smoother and more controlled cable movement.

Training benefit: supports both cable-based functional movements and controlled Smith Machine lifts.

Triceps Rope: cable attachment for triceps, arm, shoulder, and upper-body training.

Multi-Purpose Belt: accessory for functional and resistance-based movements.

2 x D Handles: handle attachments for unilateral and bilateral cable exercises.

Dual Hook Curl Bar: bar attachment for curls, rows, presses, and controlled cable movements.

Ankle Strap: attachment for glute, hip, leg, and lower-body cable exercises.

The Inspire Series SF6 Smith Functional Trainer is built with a heavy-duty steel frame and matte black powder coat finish for durability and a professional training look.

Frame: heavy-duty steel construction.

Finish: matte black powder coat.

Pulley and cable system: premium system designed for consistent feel and smooth performance.

Pull-up bar: diamond knurled grip supports secure hand placement.

Pull-up adjustment: 3 adjustable height positions.

Storage: built-in central storage for accessories, water bottles, and devices.

Compact footprint: combines Smith Machine and Functional Trainer capability in one efficient setup.

Leg Conversion Kit: works with Leg Conversion Kit.

Compatible bench: compatible with a compatible bench setup.

Leg Ext / Curl Bench Attachment: compatible with Leg Ext / Curl Bench Attachment.

Weight stack upgrade: upgradeable with weight stack add-on, sold separately.

Training accessories: includes cable attachments for upper-body, lower-body, and functional training.

Training environments: designed for compact full-body strength training setups.

The SF6 supports full-body strength training with a combination of selectorized Smith Machine lifting, cable training, pull-up work, and accessory exercises.

Smith Machine training: perform controlled squats, presses, and other staple strength movements.

Cable rows: use adjustable pulleys and D Handles for back and pulling exercises.

Presses and flys: train chest, shoulders, and upper-body strength with smooth cable motion.

Arm training: use the Triceps Rope, Dual Hook Curl Bar, and handles for curls, pushdowns, and accessory work.

Lower-body training: use the Ankle Strap and compatible leg options for glute, hip, and leg movements.

Core work: cable angles and 30 vertical pulley positions support rotational, anti-rotation, and core stability exercises.

Pull-up training: diamond knurled pull-up bar with 3 height positions supports bodyweight strength work.

The Inspire Series SF6 Smith Functional Trainer includes 3 free months on the Centr App.

The Centr App provides a training plan, expert coaching, and programs that sync with your SF6.

Use the included digital access to support structured workouts, strength training progression, and full-body programming alongside the SF6 system.

The Inspire Series SF6 Smith Functional Trainer combines selectorized Smith Machine training and Functional Trainer cable training in one compact footprint.

The weight stacks are upgradeable with a weight stack add-on, sold separately.

Compatible options include the Leg Conversion Kit, compatible bench, and Leg Ext / Curl Bench Attachment.

The system includes 3 free months on the Centr App with training plan, expert coaching, and programs that sync with your SF6.

Wipe the frame, Smith bar, pulleys, cables, pull-up bar, attachments, storage areas, and contact points clean after use to remove sweat, chalk, dust, and gym debris.

Use and store the SF6 indoors in a dry training environment to help preserve the matte black powder coat, heavy-duty steel frame, cable system, pull-up bar, and included attachments.

Check the pulleys, cables, weight stacks, Smith bar, quick pin release, pull-up bar, and attachments regularly before training to ensure smooth and secure use.

Keep accessories, water bottles, and devices organised in the built-in central storage area between exercises and training sessions.