{"product_id":"stm-gjack","title":"STM G-Jack G-Jack+ Plus Golf Grip Variable Weight Compatible Carbon Pattern High Hold M58 M60","description":"\u003cp\u003eSTM's new \"G-Jack \/ G-Jack+\" is a next-generation golf grip that retains the high holding power of the G-Rex while incorporating a variable weight function. It allows players to adjust the grip weight according to their swing, achieving their ideal balance.\u003c\/p\u003e\u003cp\u003eCarbon Pattern + Variable Weight Function\u003c\/p\u003e\u003cp\u003e・Achieves high holding power with a carbon pattern design inherited from the G-Rex.\u003c\/p\u003e\u003cp\u003e・Comes standard with a 1.2g weight, allowing for adjustment to an optimal weight balance.\u003c\/p\u003e\u003cp\u003e・Optional weights (2g to 20g, in 2g increments) allow for personalized customization!\u003c\/p\u003e\u003cp\u003eDifferences from G-Seven \/ G-Seven+\u003c\/p\u003e\u003cp\u003e・G-Seven \/ G-Seven+ models prioritize grip thickness.\u003c\/p\u003e\u003cp\u003e・G-Jack \/ G-Jack+ models allow for weight balance adjustment.\u003c\/p\u003e\u003cp\u003eExceptional Grip and Stability\u003c\/p\u003e\u003cp\u003eThe high holding power of the carbon pattern provides a firm grip. It suppresses swingブレ (blur\/wobble) during swings, supporting more stable shots.\u003c\/p\u003e\u003cp\u003e＜Specs＞\u003c\/p\u003e\u003cp\u003eSTM G-Jack BK\/BL M60 38g+1.2g None\u003c\/p\u003e\u003cp\u003eSTM G-Jack BK\/RD M58 48g+1.2g None\u003c\/p\u003e\u003cp\u003e＜Points＞\u003c\/p\u003e\u003cp\u003eGolf Grip\u003c\/p\u003e\u003cp\u003eSTM G-Jack\u003c\/p\u003e\u003cp\u003eSTM G-Jack+\u003c\/p\u003e\u003cp\u003eVariable Weight Grip\u003c\/p\u003e\u003cp\u003eWeight Adjustable Golf Grip\u003c\/p\u003e\u003cp\u003eCarbon Pattern Grip\u003c\/p\u003e\u003cp\u003eG-Rex Golf Grip\u003c\/p\u003e\u003cp\u003eSwing Stability Grip\u003c\/p\u003e\u003cp\u003eBalance Adjustment Grip\u003c\/p\u003e\u003cp\u003eGolf Club Customization\u003c\/p\u003e","brand":"アップサイドゴルフ本店","offers":[{"title":"BK／RD・ロゴなし \/ M60\/None","offer_id":50806114451685,"sku":"10022002","price":1900.0,"currency_code":"JPY","in_stock":true},{"title":"BK／RD・ロゴなし \/ M58\/None","offer_id":50806114484453,"sku":"10012002","price":1900.0,"currency_code":"JPY","in_stock":true},{"title":"BK／BL・ロゴなし \/ M60\/None","offer_id":50806114517221,"sku":"10022001","price":1900.0,"currency_code":"JPY","in_stock":true},{"title":"BK／BL・ロゴなし \/ M58\/None","offer_id":50806114549989,"sku":"10012001","price":1900.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0707\/0407\/0885\/files\/stm-gjack-1_be6a8a39-5927-43de-8e19-b37d7ccda19f.jpg?v=1785088980","url":"https:\/\/upsidegolf.co.jp\/en\/products\/stm-gjack","provider":"UpsideGolf","version":"1.0","type":"link"}