UST Mamiya Quantum Speed TSPX Iron Shaft Model/Flex:55 F3 R optimized weight distribution

optimized weight distribution

explosive launch with a solid feel and sound

most aggressive grooves and a raw face

Perfect for juniors

Length- 39

UST Mamiya Quantum Speed TSPX Iron Shaft Model/Flex:55 F3 R optimized weight distributionThe UST Mamiya Quantum Speed TSPX Iron Shaft delivers ultra lightweight precision for golfers seeking distance, control, and consistency. Built with high modulus carbon fibers and reinforced resin systems, it optimizes clubhead speed and energy transfer while maintaining accuracy and smooth feel. Its lightweight construction reduces swing fatigue, promoting consistent ball striking and tighter dispersion throughout the set. Designed with optimized