Unleash Strength at Home
FlexStand Leg Curl & Extension – W4050D-B
Train quads and hamstrings with one space-saving machine. Commercial-grade performance, designed for your home gym.
Leg Day, Perfected
Dual-Function Curl & Extension Machine
Smooth, adjustable, and built to last—get a full lower-body workout without switching machines.
Power Meets Precision
Engineered for Efficiency & Comfort
From reps to results—experience professional-grade training with support where it matters most.
About BenchBoostr
At BenchBoostr, we believe your home gym should work as hard as you do. That’s why we offer premium, space-smart fitness equipment built to deliver real results — without the commercial gym crowd.
Our flagship product, the FlexStand Leg Curl & Extension – W4050D-B, combines smart design with unmatched durability. Whether you're building strength or recovering post-injury, it’s engineered to support your journey.
Join thousands of athletes and fitness enthusiasts turning their spaces into personal power zones.
Most Popular Features
At BenchBoostr, we engineer versatile, space-saving equipment built for serious home workouts. The FlexStand Leg Curl & Extension – W4050D-B combines power and precision — trusted by athletes, perfect for your home.
FlexStand Leg Curl & Extension – W4050D-B
A workout that’s inefficient is a problem. A workout that feels off — even if you can't pinpoint why — is worse. The FlexStand W4050D-B eliminates all guesswork with its precision-engineered leg curl and extension system. Built for peak performance, ergonomic comfort, and serious gains, it's the upgrade your training deserves.
$219
We Build Strength With Real Innovation
The FlexStand W4050D-B isn’t just another machine — it’s the cornerstone of your leg day. Crafted with elite-grade steel, ergonomic design, and dual-action functionality, it’s made to perform under pressure — just like you.
Whether you're curling or extending, our engineering ensures fluid motion, optimal alignment, and muscle isolation that delivers results you can feel.
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