Matrix Fitness Ultra Leg ExtensionPhoto: Matrix Fitness
Matrix Fitness · Ultra Series

Ultra Leg Extension

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Model code
G7-S71
Movement
Leg extension
Type
Selectorized
Muscles
Quads
Source page
us.matrixfitness.com/eng/strength/single-station/g7-s71-leg-extension Retrieved 2026-10-17

Manufacturer load specs

Weight stack
Total stack weight
 108 kg · 240 lb
as stated (no conversion)
 Manufacturer108 kg / 240 lbs
us.matrixfitness.com/eng/strength/single-station/g7-s71-leg-extension Retrieved 2026-10-17
Increments 4.5 kg · 10 lb
as stated (no conversion)
 Manufacturer4.5 kg / 10 lbs
Weight plate increments
us.matrixfitness.com/eng/strength/single-station/g7-s71-leg-extension Retrieved 2026-10-17
Max load 111.4 kg · 247.5 lb
as stated (no conversion)
 Manufacturer111.4 kg / 247.5 lbs
Max Training Weight
us.matrixfitness.com/eng/strength/single-station/g7-s71-leg-extension Retrieved 2026-10-17

Measured / estimated resistance points

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Guides about this machine

Leg extension and leg curl weight by brand: stacks, increments and what the pin meansHow to convert machine weight between gyms and brandsPlate-loaded vs selectorized machines: why the numbers differ

Same movement at other brands

One machine per brand for this movement. Open one to see its own specs and sources.

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