{"product_id":"10002135","title":"Callawaygolf Callaway ELYTE QUANTUM Sleeve with Mitsubishi Chemical Diamana BF Shaft","description":"\u003cp\u003eThe Diamana BF series, a source of pride for Mitsubishi Rayon, is the latest evolution of the \"Blue Force\" (Ao-Mana), highly acclaimed among golf enthusiasts.\u003c\/p\u003e\u003cp\u003eThis shaft boasts different characteristics from the conventional Diamana series, achieved through 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 carry distance with a mid-launch angle, offering a fade-oriented ball control despite its mid-kick point.\u003c\/p\u003e\u003cp\u003eThis shaft combines excellent operability with a powerful rebound feel, allowing for a sharp return with minimal flex even during powerful swings.\u003c\/p\u003e\u003cp\u003eMany aspects were focused on 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 rebound feel compared to previous models.\u003c\/p\u003e\u003cp\u003eThis allows players to maintain core strength even with powerful swings, increasing carry distance without sacrificing control.\u003c\/p\u003e\u003cp\u003eAdditionally, by reinforcing the tip of the shaft, impact efficiency was enhanced, improving ball speed. This reinforced tip enables a smooth rigidity distribution that creates the player's intended trajectory, supporting both distance and direction.\u003c\/p\u003e\u003cp\u003eFurthermore, while maintaining the overall smooth flex, appropriate materials were used in the right places to reinforce only where necessary.\u003c\/p\u003e\u003cp\u003eThis enhances the shaft's operability 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 the needs of players.\u003c\/p\u003e\u003cp\u003eIt will be an optimal choice for golfers seeking a balance of operability, carry 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 operability\u003c\/p\u003e\u003cp\u003eBF shaft fade 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