UST Mamiya Quantum Speed TSPX Wood Shaft Model/Flex:4 F2 A shaft weights increase as you

shaft weights increase as you move from long irons to wedges—helping generate faster swing speeds in the long irons and more stability in the scoring clubs

TP5 Yellow: Enhanced Visibility & DurabilityAvailable in classic white or enriched yellow

Finished in a sleek matte black with white and orange accents

The introduction of tungsten weighting balances feel with forgiveness

precision wedges for short-game spin

UST Mamiya Quantum Speed TSPX Wood Shaft Model/Flex:4 F2 A shaft weights increase as youThe UST Mamiya Quantum Speed TSPX Wood Shaft delivers the perfect balance of lightweight performance, control, and feel. Built with an exclusive blend of high modulus carbon fibers and toughened resin systems, this shaft is engineered for maximum efficiency and consistency. Optimized across weight, flex, and profile, Quantum Speed helps generate faster clubhead speeds while maintaining stability from driver through wedge. The result is explosive