{"product_id":"cra-stffw-co25","title":"COBRA OPTM DS-ADAPT FW Sleeve Shaft CRAZY STF Synergy Thrust Carbon Shaft 50 60 70 Made in Japan","description":"\u003cp\u003eThe CRAZY STF SYNERGY THRUST is a high-performance shaft specifically designed for fairway woods, embodying two concepts: \"synergy,\" which integrates multiple forces, and \"thrust,\" which powerfully propels the ball's trajectory.\u003c\/p\u003e\u003cp\u003eIts construction caters to a wide range of golfers' needs, from a mid-to-tip flex model in the 50g range to a mid-flex, hard-spec model in the 70g range. The shaft's rigidity and torque balance have been meticulously adjusted to achieve both flexibility and excellent repulsion. The STF50 is ideal for mid-head speed players seeking a smooth swing, while the STF60\/70 is perfect for competitive players who prioritize impact strength and control.\u003c\/p\u003e\u003cp\u003eAll shafts are manufactured in Japan, boasting reliable quality supported by sophisticated production techniques. They achieve both high launch and long distance while providing stable shots from the fairway. Golfers who struggle with woods or frequently mishit shots will especially experience how the club's performance assists their swing.\u003c\/p\u003e\u003cp\u003eThis is CRAZY's latest FW-specific shaft, whose perfection will surprise you after just one use.\u003c\/p\u003e\u003cp\u003eSpecifications\u003c\/p\u003e\u003cp\u003eSTF Series (Fairway Wood Specific Carbon Shaft)\u003c\/p\u003e\u003cp\u003e・Length: 44 inches\u003c\/p\u003e\u003cp\u003e・Tip Diameter: 8.5mm (.335)\u003c\/p\u003e\u003cp\u003e・Made in Japan\u003c\/p\u003e\u003cp\u003e▶ STF50《Mid-to-Tip Flex・Lightweight Model》\u003c\/p\u003e\u003cp\u003eR (54g \/ Torque 3.5)\u003c\/p\u003e\u003cp\u003eSR (54g \/ 3.5)\u003c\/p\u003e\u003cp\u003eS (55g \/ 3.4)\u003c\/p\u003e\u003cp\u003eSX (55g \/ 3.4)\u003c\/p\u003e\u003cp\u003eFast snap-back, high launch, and excellent ball capture.\u003c\/p\u003e\u003cp\u003eA lightweight type that is easy to swing through.\u003c\/p\u003e\u003cp\u003e▶ STF60《Mid Flex・Standard Model》\u003c\/p\u003e\u003cp\u003eS (66g \/ 3.6)\u003c\/p\u003e\u003cp\u003eSX (66g \/ 3.5)\u003c\/p\u003e\u003cp\u003eX (67g \/ 3.5)\u003c\/p\u003e\u003cp\u003eXX (68g \/ 3.5)\u003c\/p\u003e\u003cp\u003e3X (68g \/ 3.4)\u003c\/p\u003e\u003cp\u003eBalanced mid-flex design.\u003c\/p\u003e\u003cp\u003eIdeal for intermediate to advanced players seeking both distance and direction.\u003c\/p\u003e\u003cp\u003e▶ STF70《Mid Flex・For Hard Hitters》\u003c\/p\u003e\u003cp\u003eSX (73g \/ 2.6)\u003c\/p\u003e\u003cp\u003eX (74g \/ 2.5)\u003c\/p\u003e\u003cp\u003eXX (74g \/ 2.5)\u003c\/p\u003e\u003cp\u003e3X (75g \/ 2.5)\u003c\/p\u003e\u003cp\u003eRigidity and low torque prevent wobbling even with powerful swings.\u003c\/p\u003e\u003cp\u003eBest match for players with fast head speeds.\u003c\/p\u003e\u003cp\u003e🛠 Common Features of the Series\u003c\/p\u003e\u003cp\u003e・FW-specific design for optimal balance with each club number\u003c\/p\u003e\u003cp\u003e・High-precision quality made in Japan\u003c\/p\u003e\u003cp\u003e・Covers weights from 50g to 70g to suit playing style and physical strength\u003c\/p\u003e\u003cp\u003e➡ Covers all FW shots, from light and agile to heavy and powerful!\u003c\/p\u003e\u003cp\u003eFind the best shaft for your swing here.\u003c\/p\u003e\u003cp\u003ePoints\u003c\/p\u003e\u003cp\u003eShaft only, not available for purchase. For re-shafting only.\u003c\/p\u003e\u003cp\u003eTaylormade\u003c\/p\u003e\u003cp\u003ePING G430 G425 G410\u003c\/p\u003e\u003cp\u003ePING 2025 G440\u003c\/p\u003e\u003cp\u003eCOBRA DARKSPEED\u003c\/p\u003e\u003cp\u003eCOBRA 2025 DS-ADAPT\u003c\/p\u003e\u003cp\u003eSrixon 2024 Zxi\u003c\/p\u003e\u003cp\u003eCRAZY Shaft\u003c\/p\u003e\u003cp\u003eCRAZY STF\u003c\/p\u003e\u003cp\u003eSynergy Thrust\u003c\/p\u003e\u003cp\u003eSYNERGY THRUST\u003c\/p\u003e\u003cp\u003eFairway Wood Shaft\u003c\/p\u003e\u003cp\u003eFW specific shaft\u003c\/p\u003e\u003cp\u003eGolf Carbon Shaft\u003c\/p\u003e\u003cp\u003eShaft resistant to misses\u003c\/p\u003e\u003cp\u003eLightweight High Launch Shaft\u003c\/p\u003e\u003cp\u003eMade in Japan Golf Shaft\u003c\/p\u003e\u003cp\u003eMid-flex shaft\u003c\/p\u003e\u003cp\u003eMid-to-tip flex shaft\u003c\/p\u003e\u003cp\u003e50g range shaft\u003c\/p\u003e\u003cp\u003e60g range shaft\u003c\/p\u003e\u003cp\u003e70g range shaft\u003c\/p\u003e\u003cp\u003eDraw-bias shaft\u003c\/p\u003e\u003cp\u003eDirectional improvement shaft\u003c\/p\u003e\u003cp\u003eShaft stability\u003c\/p\u003e\u003cp\u003eSlice countermeasure shaft\u003c\/p\u003e\u003cp\u003eShaft for 40s golfers\u003c\/p\u003e\u003cp\u003eFor average swing speed\u003c\/p\u003e\u003cp\u003eDistance increasing shaft\u003c\/p\u003e\u003cp\u003eCompetitive golf FW specific\u003c\/p\u003e\u003cp\u003eFairway accuracy improvement\u003c\/p\u003e\n\u003c!-- rakuten_sync_hash: ba9546fdd25e693e62f10df72afd2b22 | ai_optimized: true --\u003e","brand":"アップサイドゴルフ本店","offers":[{"title":"STF50\/SX \/ For STF FW only","offer_id":49947253670117,"sku":"10042001","price":44000.0,"currency_code":"JPY","in_stock":true},{"title":"STF70\/SX \/ For STF FW only","offer_id":49947253702885,"sku":"10102001","price":44000.0,"currency_code":"JPY","in_stock":true},{"title":"STF50\/SR \/ For STF FW only","offer_id":49947253735653,"sku":"10022001","price":44000.0,"currency_code":"JPY","in_stock":true},{"title":"STF70\/XX \/ For STF FW only","offer_id":49947253768421,"sku":"10122001","price":44000.0,"currency_code":"JPY","in_stock":true},{"title":"STF50\/R \/ For STF FW only","offer_id":49947253801189,"sku":"10012001","price":44000.0,"currency_code":"JPY","in_stock":true},{"title":"STF70\/3X \/ For STF FW only","offer_id":49947253833957,"sku":"10132001","price":44000.0,"currency_code":"JPY","in_stock":true},{"title":"STF60\/S \/ For STF FW only","offer_id":49947253866725,"sku":"10052001","price":44000.0,"currency_code":"JPY","in_stock":true},{"title":"STF60\/X \/ For STF FW only","offer_id":49947253899493,"sku":"10072001","price":44000.0,"currency_code":"JPY","in_stock":true},{"title":"STF60\/3X \/ For STF FW only","offer_id":49947253932261,"sku":"10092001","price":44000.0,"currency_code":"JPY","in_stock":true},{"title":"STF50\/S \/ For STF FW only","offer_id":49947253965029,"sku":"10032001","price":44000.0,"currency_code":"JPY","in_stock":true},{"title":"STF70\/X \/ For STF FW only","offer_id":49947253997797,"sku":"10112001","price":44000.0,"currency_code":"JPY","in_stock":true},{"title":"STF60\/SX \/ For STF FW only","offer_id":49947254030565,"sku":"10062001","price":44000.0,"currency_code":"JPY","in_stock":true},{"title":"STF60\/XX \/ For STF FW only","offer_id":49947254063333,"sku":"10082001","price":44000.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0707\/0407\/0885\/files\/cra-stffw-co25-1.jpg?v=1783308677","url":"https:\/\/upsidegolf.co.jp\/en\/products\/cra-stffw-co25","provider":"UpsideGolf","version":"1.0","type":"link"}