{"product_id":"10007778","title":"YAMAHA Yamaha Sleeve-attached Shaft Mitsubishi Chemical Diamana BF Driver","description":"\u003cp\u003eMitsubishi Rayon's proud Diamana BF series is the latest evolution of the \"Blue Force\" (Blue Mana) shafts, which have garnered high acclaim among golf enthusiasts.\u003c\/p\u003e\u003cp\u003eThis shaft features properties distinct from previous Diamana series due to its composite molding of aerospace-grade high-strength carbon fiber \"MR70\" and boron fiber.\u003c\/p\u003e\u003cp\u003eThe Diamana BF series is ideal for golfers who want to increase their distance with a mid-launch angle, providing a fade-bias ball flight despite its mid-kick point.\u003c\/p\u003e\u003cp\u003eThis shaft offers a responsive feel in addition to excellent maneuverability, achieving a sharp recovery with minimal flex even when swung powerfully.\u003c\/p\u003e\u003cp\u003eNumerous aspects were emphasized during the product development process.\u003c\/p\u003e\u003cp\u003eFirstly, the composite molding of aerospace-grade high-strength carbon fiber \"MR70\" and boron fiber has increased the responsive feel compared to conventional models.\u003c\/p\u003e\u003cp\u003eThis allows players to maintain strong core stability even with powerful swings, extending distance without sacrificing control.\u003c\/p\u003e\u003cp\u003eFurthermore, strengthening the tip section of the shaft improved impact efficiency and ball speed. This reinforced tip section enables a smooth stiffness distribution that allows players to achieve their intended trajectory, supporting both distance and direction.\u003c\/p\u003e\u003cp\u003eAdditionally, while maintaining overall smooth flex, materials were strategically placed to reinforce only the appropriate sections.\u003c\/p\u003e\u003cp\u003eThis enhances the shaft's maneuverability and stability, helping players achieve their best shots.\u003c\/p\u003e\u003cp\u003eThe Diamana BF series is a next-generation golf shaft that combines innovative design and high-quality materials to sensitively meet players' needs.\u003c\/p\u003e\u003cp\u003eIt will be an optimal choice for golfers seeking a balance of maneuverability, distance, and direction.\u003c\/p\u003e\u003cp\u003e\u003cspecs\u003e\u003c\/specs\u003e\u003c\/p\u003e\u003cp\u003eBF50:\u003c\/p\u003e\u003cp\u003e- Flex:\u003c\/p\u003e\u003cp\u003e- R\u003c\/p\u003e\u003cp\u003e- Weight: 54\u003c\/p\u003e\u003cp\u003e- Torque: 5\u003c\/p\u003e\u003cp\u003e- Kick Point: Mid-Kick\u003c\/p\u003e\u003cp\u003e- Length: 46\u003c\/p\u003e\u003cp\u003e- Tip Diameter: 8.55\u003c\/p\u003e\u003cp\u003e- Butt: 16.0\u003c\/p\u003e\u003cp\u003e- SR\u003c\/p\u003e\u003cp\u003e- Weight: 55\u003c\/p\u003e\u003cp\u003e- Torque: 5\u003c\/p\u003e\u003cp\u003e- Kick Point: Mid-Kick\u003c\/p\u003e\u003cp\u003e- S\u003c\/p\u003e\u003cp\u003e- Weight: 57.5\u003c\/p\u003e\u003cp\u003e- Torque: 5\u003c\/p\u003e\u003cp\u003e- Kick Point: Mid-Kick\u003c\/p\u003e\u003cp\u003e- X\u003c\/p\u003e\u003cp\u003e- Weight: 60\u003c\/p\u003e\u003cp\u003e- Torque: 4\u003c\/p\u003e\u003cp\u003e- Kick Point: Mid-Kick\u003c\/p\u003e\u003cp\u003eBF60(bg):\u003c\/p\u003e\u003cp\u003e- Flex:\u003c\/p\u003e\u003cp\u003e- SR\u003c\/p\u003e\u003cp\u003e- Weight: 63.5\u003c\/p\u003e\u003cp\u003e- Torque: 3.9\u003c\/p\u003e\u003cp\u003e- Kick Point: Mid-Kick\u003c\/p\u003e\u003cp\u003e- Tip Diameter: 16.05\u003c\/p\u003e\u003cp\u003e- S\u003c\/p\u003e\u003cp\u003e- Weight: 65.5\u003c\/p\u003e\u003cp\u003e- Torque: 3.9\u003c\/p\u003e\u003cp\u003e- Kick Point: Mid-Kick\u003c\/p\u003e\u003cp\u003e- Tip Diameter: 16.1\u003c\/p\u003e\u003cp\u003e- X\u003c\/p\u003e\u003cp\u003e- Weight: 69\u003c\/p\u003e\u003cp\u003e- Torque: 3.8\u003c\/p\u003e\u003cp\u003e- Kick Point: Mid-Kick\u003c\/p\u003e\u003cp\u003e- Tip Diameter: 16.25\u003c\/p\u003e\u003cp\u003eBF70(bgno):\u003c\/p\u003e\u003cp\u003e- Flex:\u003c\/p\u003e\u003cp\u003e- S\u003c\/p\u003e\u003cp\u003e- Weight: 73.5\u003c\/p\u003e\u003cp\u003e- Torque: 3.4\u003c\/p\u003e\u003cp\u003e- Kick Point: Mid-Kick\u003c\/p\u003e\u003cp\u003e- Tip Diameter: 16.15\u003c\/p\u003e\u003cp\u003e- X\u003c\/p\u003e\u003cp\u003e- Weight: 77\u003c\/p\u003e\u003cp\u003e- Torque: 3.4\u003c\/p\u003e\u003cp\u003e- Kick Point: Mid-Kick\u003c\/p\u003e\u003cp\u003e- Tip Diameter: 16.25\u003c\/p\u003e\u003cp\u003e- TX\u003c\/p\u003e\u003cp\u003e- Weight: 80\u003c\/p\u003e\u003cp\u003e- Torque: 3.4\u003c\/p\u003e\u003cp\u003e- Kick Point: Mid-Kick\u003c\/p\u003e\u003cp\u003e- Tip Diameter: 16.35\u003c\/p\u003e\u003cp\u003eBF80(bg):\u003c\/p\u003e\u003cp\u003e- Flex:\u003c\/p\u003e\u003cp\u003e- S\u003c\/p\u003e\u003cp\u003e- Weight: 83\u003c\/p\u003e\u003cp\u003e- Torque: 3\u003c\/p\u003e\u003cp\u003e- Kick Point: Mid-Kick\u003c\/p\u003e\u003cp\u003e- Tip Diameter: 16.25\u003c\/p\u003e\u003cp\u003e- X\u003c\/p\u003e\u003cp\u003e- Weight: 87\u003c\/p\u003e\u003cp\u003e- Torque: 2.9\u003c\/p\u003e\u003cp\u003e- Kick Point: Mid-Kick\u003c\/p\u003e\u003cp\u003e- Tip Diameter: 16.35\u003c\/p\u003e\u003cp\u003e- TX\u003c\/p\u003e\u003cp\u003e- Weight: 89.5\u003c\/p\u003e\u003cp\u003e- Torque: 2.8\u003c\/p\u003e\u003cp\u003e- Kick Point: Mid-Kick\u003c\/p\u003e\u003cp\u003e- Tip Diameter: 16.45\u003c\/p\u003e\u003cp\u003e\u003cpoints\u003e\u003c\/points\u003e\u003c\/p\u003e\u003cp\u003eDiamana BF shaft maneuverability\u003c\/p\u003e\u003cp\u003eBF shaft fade 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