Authorized Dealer of AutoFlex Flex one is a single-spec shaft designed to deliver maximum power and efficiency for any golfer with clubhead speeds of up to 90 mph. We designed the shaft to load at different points depending on your club head speed. If your swing falls within the range with a relatively smooth tempo Flex One is a no brainer! Ultralight Korean-made as always! Tip - 0.335" Raw Length - 45" Recommended Build Length is 45" in order to control swingweight. .gct-specs-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 20px 0; border: 1px solid #ddd; border-radius: 6px; } .gct-specs-wrap table.gct-specs { table-layout: auto !important; width: max-content !important; min-width: 100%; border-collapse: separate !important; border-spacing: 0 !important; font-size: 14px; line-height: 1.4; margin: 0 !important; } .gct-specs th, .gct-specs td { width: auto !important; max-width: none !important; padding: 8px 12px !important; text-align: left; white-space: nowrap !important; border-bottom: 1px solid #e5e5e5; overflow: visible; } .gct-specs thead th { background: #1a1a1a !important; color: #fff !important; font-weight: 600; } .gct-specs th:first-child, .gct-specs td:first-child { position: sticky; left: 0; z-index: 1; min-width: 100px; background: #fff; font-weight: 600; box-shadow: 2px 0 3px rgba(0,0,0,0.06); } .gct-specs thead th:first-child { background: #1a1a1a !important; z-index: 2; } .gct-specs tbody tr:nth-child(even) td { background: #f7f7f7; } .gct-specs tbody tr:nth-child(even) td:first-child { background: #f7f7f7; } .gct-specs .gct-divider td { background: #eaeaea !important; height: 6px; padding: 0 !important; } Flex Weight (g) Recommended Swing Weight Driver Club Speed Flex One 39 C5-C8 60-90 AutoFlex Flex One Driver Tip Trimming Guide Driver 0" Butt Trim to Length Only