{"product_id":"e-thirteen-helix-race-gr-direct-mount-chainring-イーサーティーン-チェーンリング","title":"e*thirteen Helix Race GR Direct Mount Chainring","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003e*Please inquire about colors and sizes that are out of stock.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Helix Race GR Chainring is a direct mount chainring optimized for gravity riding. It is specifically designed to withstand demanding environments such as downhill, bike park, and freeride, and is intended for use with Helix Race GR cranks.\u003c\/p\u003e\n\u003ch3\u003eKey Features and Materials\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli\u003eMaterials and Construction: Made from AL 7075-T6 aluminum, it is forged and then CNC machined to achieve optimized light weight, sufficient rigidity, and excellent aesthetics.\u003c\/li\u003e\n\n\u003cli\u003eChain Retention: Features e*thirteen's M4 narrow-wide tooth profile. This tooth profile improves chain retention, reduces chain noise, and reduces system wear.\u003c\/li\u003e\n\n\u003cli\u003eSecure Mounting: The Quick Connect Direct Mount spline ensures reliable security and creak-free installation.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003cth align=\"left\"\u003eItem\u003c\/th\u003e\n\n\u003cth align=\"left\"\u003eDetail\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eUsage\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd align=\"left\"\u003eGravity Riding (Downhill, Bike Park, Freeride)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd align=\"left\"\u003eAL 7075-T6\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eSize Options\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd align=\"left\"\u003e34T, 36T\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd align=\"left\"\u003e34T: 74g, 36T: 79g\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eColor Options\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd align=\"left\"\u003eBlack, Sterling Silver\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eChainline\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd align=\"left\"\u003e\n\u003cstrong\u003e56.5mm\u003c\/strong\u003e when combined with Helix Race GR 83mm spindle cranks.\n\n\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e[Crank Compatibility]\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eThis product (Helix GR Chainring) is exclusively for \u003cstrong\u003eHelix Race GR 83mm spindle cranks\u003c\/strong\u003e.\u003c\/li\u003e\n\n\u003cli\u003eNote: If using 73mm cranks, the standard Helix Race chainring is required.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e[Drivetrain Compatibility]\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eCompatible with Shimano® and SRAM® drivetrains (\u003cstrong\u003eincluding T-type®\u003c\/strong\u003e)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"grumpy","offers":[{"title":"Black \/ 34T","offer_id":51210485661998,"sku":null,"price":14080.0,"currency_code":"JPY","in_stock":true},{"title":"Black \/ 36T","offer_id":51210485694766,"sku":null,"price":14080.0,"currency_code":"JPY","in_stock":false},{"title":"Sterling Silver \/ 34T","offer_id":51210485793070,"sku":null,"price":14080.0,"currency_code":"JPY","in_stock":false},{"title":"Sterling Silver \/ 36T","offer_id":51210485825838,"sku":null,"price":14080.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0591\/3919\/5064\/files\/e13helixgrcr1.jpg?v=1761615918","url":"https:\/\/www.grumpy.jp\/en\/products\/e-thirteen-helix-race-gr-direct-mount-chainring-%e3%82%a4%e3%83%bc%e3%82%b5%e3%83%bc%e3%83%86%e3%82%a3%e3%83%bc%e3%83%b3-%e3%83%81%e3%82%a7%e3%83%bc%e3%83%b3%e3%83%aa%e3%83%b3%e3%82%b0","provider":"Grumpy Bike Shop","version":"1.0","type":"link"}