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Elevate your lower body training with the SPIRIT SP‑43 Standing Calf Extension, designed to isolate and strengthen the gastrocnemius and soleus muscles with biomechanical precision. Built for high-volume commercial environments, this machine provides a stable, ergonomic platform for serious calf development—whether for athletes, general fitness enthusiasts, or rehabilitation clients.

Why Choose the SPIRIT SP-43 Standing Calf Extension?
+ Targeted Lower Leg Development – Optimised design isolates the calves for maximum contraction and growth.
+ Safe & Ergonomic – Adjustable shoulder pads support spine alignment and reduce compensations.
+ User Engagement – On-board counters keep workouts measurable and motivating.
+ Space-Efficient & Robust – Small footprint with all the durability needed for busy commercial gyms.

FEATURES
+ Weight Stack: 95 kg (210 lb), 5 lb increments for gradual overload and tailored programming.
+ Adjustments: Gas-assisted shoulder pad height
+ Large Non-Slip Foot Platform – Keeps users securely positioned to maximise calf engagement through a full, controlled range of motion.
+ Shoulder Pad Adjustment – Gas-assisted vertical adjustment aligns perfectly with various user heights, ensuring consistent resistance paths
+ Counterbalanced Movement Arm – Reduces start-up resistance, helping users of all strength levels engage safely and effectively.
+ Integrated Rep & Timer Counter – Tracks time under tension and repetitions right on the machine, motivating progression.

TECHNICAL SPECIFICATION
+ Dimensions: 1400 × 950 × 1750mm
+ Weight: 210kg

Need it installed?
We offer bespoke delivery and installation services. Call our team 01553 763285 or email sales@jordandfitness.com

Ready for polished arm-focused training with industry‑grade quality? Contact us now to request a quote, arrange a demo, or explore commercial pricing.