{"product_id":"10007911","title":"BRIDGESTONE Bridgestone Sleeve with Shaft Mitsubishi Chemical Diamana RF Driver","description":"\u003cp\u003eThe Diamana RF series is\u003c\/p\u003e\u003cp\u003ean innovative shaft created for athletes who pursue distance.\u003c\/p\u003e\u003cp\u003eThis latest model is\u003c\/p\u003e\u003cp\u003ethe next evolution in the tradition of the Red Mana series.\u003c\/p\u003e\u003cp\u003eBy skillfully increasing the rigidity of the middle part of the shaft\u003c\/p\u003e\u003cp\u003eand adjusting the subtle rigidity difference with the tip, it achieves\u003c\/p\u003e\u003cp\u003ean astonishing sense of speed and excellent swing-through at impact.\u003c\/p\u003e\u003cp\u003eAs a result, it simultaneously achieves high launch and a firm grip on the ball,\u003c\/p\u003e\u003cp\u003eproviding the ideal performance athletes demand.\u003c\/p\u003e\u003cp\u003eFurthermore,\u003c\/p\u003e\u003cp\u003ethis shaft is positioned as an athlete model\u003c\/p\u003e\u003cp\u003ewithin Mitsubishi Chemical's lineup,\u003c\/p\u003e\u003cp\u003eand a heavy lineup of 80g class shafts is available.\u003c\/p\u003e\u003cp\u003eThis allows players to choose the optimal weight for their swing,\u003c\/p\u003e\u003cp\u003eachieving the best results tailored to their golfing style.\u003c\/p\u003e\u003cp\u003eIn addition,\u003c\/p\u003e\u003cp\u003ethe Diamana RF series adopts MR70, a new material.\u003c\/p\u003e\u003cp\u003eThis groundbreaking carbon fiber\u003c\/p\u003e\u003cp\u003eachieves both elasticity and strength, which was difficult with conventional manufacturing processes,\u003c\/p\u003e\u003cp\u003eimproving strength by approximately 20% and elasticity by 10%.\u003c\/p\u003e\u003cp\u003eFurthermore, ultra-high modulus DIALEAD™ is used in the butt section to improve operability.\u003c\/p\u003e\u003cp\u003eThe tip section is reinforced by composite molding of high-strength carbon fiber MR70 and boron fiber,\u003c\/p\u003e\u003cp\u003emaximizing swing power and transmitting it to the ball.\u003c\/p\u003e\u003cp\u003eThe Diamana RF series is\u003c\/p\u003e\u003cp\u003ethe cutting-edge shaft that is the further evolution of the \"running red\" that athletes focused on distance hold.\u003c\/p\u003e\u003cp\u003eIts advanced technology and innovative materials\u003c\/p\u003e\u003cp\u003ebring unprecedented distance and accuracy, expanding the possibilities for golfers.\u003c\/p\u003e\u003cp\u003e\u003cspecs\u003e\u003c\/specs\u003e\u003c\/p\u003e\u003cp\u003eKick Point: Mid\u003c\/p\u003e\u003cp\u003eTorque: 3.5 (RF60, S)\u003c\/p\u003e\u003cp\u003eWeight: 50, 60, 70, 80g class\u003c\/p\u003e\u003cp\u003eFlex: R, SR, S, X, TX\u003c\/p\u003e\u003cp\u003e\u003cpoints\u003e\u003c\/points\u003e\u003c\/p\u003e\u003cp\u003eDiamana RF\u003c\/p\u003e\u003cp\u003eDiamana RF\u003c\/p\u003e\u003cp\u003eMitsubishi Chemical\u003c\/p\u003e\u003cp\u003eShaft\u003c\/p\u003e\u003cp\u003eDistance\u003c\/p\u003e\u003cp\u003eSwing-through\u003c\/p\u003e","brand":"アップサイドゴルフ本店","offers":[{"title":"R \/ 70","offer_id":49941328494821,"sku":"200122003","price":27500.0,"currency_code":"JPY","in_stock":true},{"title":"R \/ 80","offer_id":49941328527589,"sku":"200122004","price":27500.0,"currency_code":"JPY","in_stock":true},{"title":"R \/ 50","offer_id":49941328560357,"sku":"200122001","price":27500.0,"currency_code":"JPY","in_stock":true},{"title":"SR \/ 70","offer_id":49941328593125,"sku":"200142003","price":27500.0,"currency_code":"JPY","in_stock":true},{"title":"R \/ 60","offer_id":49941328625893,"sku":"200122002","price":27500.0,"currency_code":"JPY","in_stock":true},{"title":"SR \/ 80","offer_id":49941328658661,"sku":"200142004","price":27500.0,"currency_code":"JPY","in_stock":true},{"title":"SR \/ 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