{"product_id":"wolf-tooth-drop-stop-b-38t-chainring-130-bcd-for-9-12-speed-mtb-gravel-bikes","title":"Wolf Tooth Drop Stop B 38T Chainring - 130 BCD for 9-12 Speed MTB \u0026 Gravel Bikes","description":"\u003cul class=\"a-unordered-list a-vertical a-spacing-mini\"\u003e  \u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e Mount type:130 BCD  \u003c\/span\u003e\u003c\/li\u003e  \u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e Teeth: 38t  \u003c\/span\u003e\u003c\/li\u003e  \u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e Offset: Non-boost (Standard offset)  \u003c\/span\u003e\u003c\/li\u003e  \u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e Chain Compatibility:Drop-Stop B tooth profile for all 9, 10, and 11spd chains or 12spd SRAM Eagle, KMC, Connex or Wippermann, Campagnolo, and SRAM Flattop AXS chains  \u003c\/span\u003e\u003c\/li\u003e  \u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e Material 7075-T6 aluminum, Made in USA by Wolf Tooth Components  \u003c\/span\u003e\u003c\/li\u003e  \u003c\/ul\u003e            \u003cdiv data-csa-c-content-id=\"voyager-product-details-jumplink\" data-csa-c-slot-id=\"voyager-product-details-jumplink\" data-csa-c-type=\"link\" class=\"a-section aok-hidden\" data-csa-c-id=\"enu4ib-o32fvk-9p2ygz-kj873y\"\u003e \u003cspan class=\"caretnext\"\u003e›\u003c\/span\u003e \u003ca id=\"seeMoreDetailsLink\" class=\"a-link-normal\" href=\"#productDetails\"\u003e See more product details \u003c\/a\u003e \u003c\/div\u003e          \n       \u003c!-- show up to 2 reviews by default --\u003e\n                   \u003cp\u003e    \u003cspan\u003eWolf Tooth was first to market with Cyclocross 1x specific chainrings because we saw Cyclocross as the perfect use for our Drop-Stop technology. Since their release, the uses for these rings has expanded beyond Cyclocross to commuting, gravel riding, mountain bikes with 5-arm crank power meters, and even full on-road applications with the giant 50t rings. \u003c\/span\u003e\u003c\/p\u003e\u003cul class=\"a-unordered-list a-vertical\"\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003e\u003cspan\u003eFits 110 BCD 5 arm cranksets\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003e\u003cspan\u003eDrop-Stop technology. On Wolf Tooth’s patented wide\/narrow chainring, the wide side of the tooth has maximum contact on the drive side which spreads the load and improves chainring life. The narrow side allows clearance for mud and debris which reduces friction.\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003e\u003cspan\u003eAlternating wide\/narrow tooth pattern prevents chain derailment\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cspan class=\"a-text-bold\"\u003eCompatibility\u003c\/span\u003e\u003c\/p\u003e\u003cul class=\"a-unordered-list a-vertical\"\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003e\u003cspan\u003eThese rings are for use with 110 BCD 5 arm cranksets.\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003e\u003cspan\u003eDo NOT fit on the cranksets for Shimano DA 9000 \/ Ultegra 6800\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003e\u003cspan\u003eNot compatible with Campy CX10\/11.\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003e\u003cspan\u003eCan be mounted in either the big or small ring position of a double crankset given chainstay clearance in the small ring position.\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003e\u003cspan\u003eStock 2x bolts will not work. optimized for single-ring mounting.\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003e\u003cp\u003e\u003cspan\u003eChain Compatibility\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"a-unordered-list a-vertical\"\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003e\u003cspan\u003e10, 11, \u0026amp; 12spd Eagle and Flattop - These chainrings are designed to work with all 10 speed, and 11 speed chains. They also work with 12 speed SRAM Flattop, SRAM Eagle and KMC chain. They do not work with Shimano 12 speed Hyperglide+ chain.\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003e\u003cspan\u003eShimano 12-speed chains require the use of our Shimano 12-speed specific chainrings\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003e\u003cspan\u003eIf using a 9-speed drivetrain use a 10-speed chain. It fits tighter for better chain retention\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e    \u003cp\u003e\u003c\/p\u003e","brand":"Wolf Tooth","offers":[{"title":"Default Title","offer_id":49744361685251,"sku":"B07WTY1WTT","price":137.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/3031\/2451\/files\/41OrsG9O6TL._SX800.jpg?v=1790897429","url":"https:\/\/purrosa.com\/products\/wolf-tooth-drop-stop-b-38t-chainring-130-bcd-for-9-12-speed-mtb-gravel-bikes","provider":"Purrosa","version":"1.0","type":"link"}