{"product_id":"helix-race-107-bcd-chainring-11-12-speed-107bcd-black","title":"Helix Race 107 BCD Chainring - 11\/12-Speed - 107BCD - Black","description":"\u003cp\u003e\u003cstrong\u003eHelix Race 107 BCD Chainring\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe e*thirteen Helix Race 107 BCD Chainring, designed for 4-bolt 107 BCD cranks like SRAM Red or Force including power meter equipped cranks, offers a performance upgrade for Gravel and Road cyclists. The 38, 40, and 42 tooth rings pair perfectly with e*thirteen’s cassettes for more overall range and higher top speeds. Made from durable premium 7075 alloy, they're CNC sculpted for a high stiffness-to-weight ratio. Compatible with both SRAM and Shimano 11 and 12-speed drivetrains.  Chainline is set by SRAM® Crank assembly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with 4-bolt 107 BCD SRAM® cranks and Quarq® power meter cranks\u003c\/li\u003e\n\u003cli\u003eM4 narrow-wide tooth profile provides Shimano and SRAM 11\/12-speed chain compatibility (Including flattop chains), excellent chain retention, and reduced wear\u003c\/li\u003e\n\u003cli\u003e4.8mm offset (Chainline is determined by SRAM® Crank assembly, 45mm for normal width cranks, 47.5mm for wide cranks)\u003c\/li\u003e\n\u003cli\u003eForged from premium 7075-T7 aluminum, then extensively CNC optimized for light weight, and technical aesthetics\u003c\/li\u003e\n\u003cli\u003eDurable 7075-T7 construction for long wear-life, stiffness, and strength\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"E-Thirteen","offers":[{"title":"40","offer_id":51743455510774,"sku":"CR4HRA-149","price":79.95,"currency_code":"USD","in_stock":true},{"title":"42","offer_id":51743455543542,"sku":"CR4HRA-150","price":79.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0804\/2043\/8262\/files\/CR4211.jpg?v=1790305957","url":"https:\/\/npbikeshop.com\/products\/helix-race-107-bcd-chainring-11-12-speed-107bcd-black","provider":"Newbury Park Bike Shop","version":"1.0","type":"link"}