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Preacher Curl Machine MF-BC100

Arm Machines

$1,699 – $2,299

The MF-BC100 Preacher Curl Machine isolates the biceps with a biomechanically designed cam that matches the bicep strength curve. 150 lb selectorized weight stack. Angled preacher pad (45°) for full bicep stretch and peak contraction. Adjustable seat height (5 positions) with quick-release lever. Ergonomic curved grip handles with rotating rubber grips. Compact 40″×32″ footprint.

⚖ Capacity 150

▦ Dimensions 40"L × 32"W × 46"H

⚎ Machine Weight 195

☹ Max User 300 lbs (136 kg)

Best For: Commercial Gym

Load Type: Selectorized (Pin Loaded)

Certifications: CE, ISO 20957 Class S

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Key Features

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45° Ergonomic Pad Angle

Positions arms at the biomechanically optimal angle for maximum muscle fiber recruitment

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Cam-Based Resistance

Consistent tension through the entire range of motion — muscles work at every point of every rep

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Multi-Grip Handles

Oversized rubber-coated handles with multiple grip positions

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Adjustable ROM Limiter

Perfect for rehabilitation protocols or advanced partial-rep overload training

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Gas-Assisted Adjustments

One-touch positioning with digital readout for repeatable setup

Technical Specifications

Construction & Materials

Frame Material	11-gauge steel, sealed bearings, cam-based resistance
Steel Gauge / Wall Thickness	11-gauge (3.0mm) structural steel
Footprint (L x W x H)	40"L × 32"W × 46"H
Machine Weight	195

Performance & Capacity

Load Capacity	150
Max User Weight	300 lbs (136 kg)

Detailed Specifications

Weight Stack	150 lb selectorized
Pad Angle	45°
Seat	5-position quick-release
Grips	Curved ergonomic, rotating rubber
Footprint	40"×32"
Color	Black/Gray
Pad Angle	45° (optimal isolation)
Resistance	Cam-based with consistent load curve
Handles	Multi-grip, rubber-coated, oversized
Adjustments	Gas-assisted seat, quick-release pad
Range of Motion	Adjustable ROM limiter
Upholstery	Marine-grade vinyl, high-density foam

Warranty & Support

Warranty	Lifetime frame, 5 years stack, 2 years upholstery
Shipping & Delivery	Freight delivery; 2–3 weeks lead time.

Frequently Asked Questions

How is this different from dumbbell curls?

The machine provides a fixed path and constant tension, especially at the top (peak contraction) where dumbbell resistance drops off. Use both for complete bicep development.

Does this work the brachialis?

Primarily biceps brachii. For brachialis emphasis, use hammer curls or reverse curls.

Do I need both a preacher curl and a tricep machine?

Yes — preacher curl machines isolate biceps, tricep machines isolate triceps. These are complementary. Most commercial gyms include at least one dedicated machine for each.

Are arm machines necessary with free weights?

Arm isolation machines provide consistent tension that free weights cannot — dumbbell curls unload at the top while machine cams maintain resistance throughout.