is a graphite iron golf shaft designed with an ascending mass weight progression, meaning the shorter irons are heavier than the longer ones. This design aims to provide a consistent feel while being lighter than traditional steel shafts, and has been used on the PGA Tour.
Key Features and Technology
Ascending Weight Technology: Unlike most taper tip iron shaft sets that maintain a constant weight, the AMi99 shafts get progressively heavier as they get shorter (from around 94 grams for a 3-iron to 108 grams for a wedge). This helps achieve consistent swing weight or MOI matching throughout the set.
SteelFiber Design: The shaft is built using the same proven design as the Aerotech SteelFiber series, which involves a stainless steel wire wrapped over a filament-wound graphite core. This construction combines the benefits of graphite (vibration reduction, lighter weight) with the stability and feel of steel.
Performance Profile: The bend profile is designed to closely match that of the heavier Dynamic Gold R300 steel shafts, allowing players to transition to a lighter shaft without significantly changing their ball flight or distance characteristics.
Tip Options: The
Aerotech Players Spec AMi99
is available in both .355 taper tip and .370 parallel tip options to fit various iron heads.
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