{"product_id":"mbc-tenprk1k-ymd","title":"YAMAHA ヤマハ 2025 RMX DD Driver Compatible Sleeve with Mitsubishi Chemical TENSEI Pro Black 1K Core Series Shaft","description":"\u003cp\u003eMitsubishi Chemical's \"TENSEI Pro Black 1K Core Series\" is a high-performance carbon shaft for drivers developed for professional athletes. Its main feature is a structure that places a highly drapable 1K cross in the inner layer (core). The 1K cross, with its low filament count and dense weave, provides extremely high shape stability and reinforcing power to the shaft, suppressing unnecessary twisting and snaking.\u003c\/p\u003e\u003cp\u003eOverall, the softness of the butt section creates a natural \"lag\" during the swing transition, efficiently accelerating energy towards the moment of impact. The mid-to-tip section features a high-rigidity design, which minimizes face instability and enables a solid, powerful impact. This achieves both high swing reproducibility and excellent distance performance.\u003c\/p\u003e\u003cp\u003eIn addition to the all-black shaft design, the jet-black band creates a beautiful finish that appeals to advanced players. This is the ideal choice for competitive golfers and single handicappers who demand stable feel and direction. Experience the reliability of Made in Japan, powered by the latest material technology.\u003c\/p\u003e\u003cp\u003e\u003cspecs\u003e\u003c\/specs\u003e\u003c\/p\u003e\u003cp\u003ePro Black 1K Core 50\u003c\/p\u003e\u003cp\u003eLength: 1168mm｜Tip Diameter: 8.6mm｜Tip Length: 75mm｜Mid-High Kickpoint\u003c\/p\u003e\u003cp\u003eR 51.5g／Torque 5.3°／Butt Diameter 15.15mm\u003c\/p\u003e\u003cp\u003eS 53.0g／Torque 5.3°／Butt Diameter 15.20mm\u003c\/p\u003e\u003cp\u003eX 55.5g／Torque 5.2°／Butt Diameter 15.25mm\u003c\/p\u003e\u003cp\u003eTX 56.5g／Torque 5.1°／Butt Diameter 15.30mm\u003c\/p\u003e\u003cp\u003ePro Black 1K Core 60\u003c\/p\u003e\u003cp\u003eLength: 1168mm｜Tip Diameter: 8.6mm｜Tip Length: 75mm｜Mid-High Kickpoint\u003c\/p\u003e\u003cp\u003eR 61.5g／Torque 3.4°／Butt Diameter 15.30mm\u003c\/p\u003e\u003cp\u003eS 63.0g／Torque 3.4°／Butt Diameter 15.35mm\u003c\/p\u003e\u003cp\u003eX 65.5g／Torque 3.3°／Butt Diameter 15.50mm\u003c\/p\u003e\u003cp\u003eTX 66.5g／Torque 3.3°／Butt Diameter 15.50mm\u003c\/p\u003e\u003cp\u003ePro Black 1K Core 70\u003c\/p\u003e\u003cp\u003eLength: 1168mm｜Tip Diameter: 8.6mm｜Tip Length: 75mm｜Mid-High Kickpoint\u003c\/p\u003e\u003cp\u003eS 73.0g／Torque 2.7°／Butt Diameter 15.35mm\u003c\/p\u003e\u003cp\u003eX 75.5g／Torque 2.7°／Butt Diameter 15.50mm\u003c\/p\u003e\u003cp\u003eTX 76.5g／Torque 2.7°／Butt Diameter 15.50mm\u003c\/p\u003e\u003cp\u003ePro Black 1K Core 80\u003c\/p\u003e\u003cp\u003eLength: 1168mm｜Tip Diameter: 8.6mm｜Tip Length: 75mm｜Mid-High Kickpoint\u003c\/p\u003e\u003cp\u003eS 82.0g／Torque 2.6°／Butt Diameter 15.35mm\u003c\/p\u003e\u003cp\u003eX 84.0g／Torque 2.6°／Butt Diameter 15.50mm\u003c\/p\u003e\u003cp\u003eTX 85.0g／Torque 2.6°／Butt Diameter 15.50mm\u003c\/p\u003e\u003cp\u003eHigh kick design for solid swing-through\u003c\/p\u003e\u003cp\u003eRich variety of weights and flexes for optimized feel\u003c\/p\u003e\u003cp\u003eIf you're unsure which series to choose, the 50g range is easy to handle and recommended!\u003c\/p\u003e\u003cp\u003e\u003cpoints\u003e\u003c\/points\u003e\u003c\/p\u003e\u003cp\u003eMitsubishi Chemical\u003c\/p\u003e\u003cp\u003eTensei\u003c\/p\u003e\u003cp\u003eTensei Pro Black\u003c\/p\u003e\u003cp\u003eTENSEI Pro Black\u003c\/p\u003e\u003cp\u003eTENSEI 1K CORE\u003c\/p\u003e\u003cp\u003e1K cross shaft\u003c\/p\u003e\u003cp\u003eHigh rigidity shaft\u003c\/p\u003e\u003cp\u003ePopular golf shafts\u003c\/p\u003e\u003cp\u003eHow to choose a driver shaft\u003c\/p\u003e\u003cp\u003eIncrease golf distance\u003c\/p\u003e\u003cp\u003eShafts used by pros\u003c\/p\u003e\u003cp\u003eGolf shaft custom\u003c\/p\u003e\u003cp\u003eCompetition-oriented shaft\u003c\/p\u003e\u003cp\u003eTensei series comparison\u003c\/p\u003e\u003cp\u003eCarbon driver shaft\u003c\/p\u003e\u003cp\u003eGolf club shaft replacement\u003c\/p\u003e\u003cp\u003eRecommended shaft for intermediate to advanced players\u003c\/p\u003e\u003cp\u003eStable high-precision shaft\u003c\/p\u003e\u003cp\u003eMADE IN JAPAN\u003c\/p\u003e\u003cp\u003eMitsubishi Chemical Official Product\u003c\/p\u003e\n\u003c!-- rakuten_sync_hash: 641c87495469c32744360d01e3a31525 | ai_optimized: true --\u003e","brand":"アップサイドゴルフ本店","offers":[{"title":"50\/TX \/ 1K Core Series","offer_id":49933776224485,"sku":"10042001","price":33000.0,"currency_code":"JPY","in_stock":true},{"title":"70\/X \/ 1K Core Series","offer_id":49933776257253,"sku":"10102001","price":33000.0,"currency_code":"JPY","in_stock":true},{"title":"50\/S \/ 1K Core Series","offer_id":49933776290021,"sku":"10022001","price":33000.0,"currency_code":"JPY","in_stock":true},{"title":"80\/S \/ 1K Core Series","offer_id":49933776322789,"sku":"10122001","price":33000.0,"currency_code":"JPY","in_stock":true},{"title":"50\/R \/ 1K Core Series","offer_id":49933776355557,"sku":"10012001","price":33000.0,"currency_code":"JPY","in_stock":true},{"title":"80\/X \/ 1K Core 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