{"product_id":"full-speed-ahead-sl-k-light-2x-modular-carbon-crankset-172-5-mm-double-12-speed-ckst3543-bicycle-crankset","title":"FSA SL-K 2x Carbon Road Crankset 50\/40t, 172.5mm, 12-Speed, Hollow Tech","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eThe Full Speed Ahead SL-K 2x Modular Carbon Crankset features a 172.5mm crank length and is designed for Shimano HG+ 12-speed systems. It includes 50\/40 tooth chainrings with a Direct Mount outer ring and 90 BCD inner ring configuration. The crankset uses FSA's Hollow technology to create ultra-light, hollow carbon crank arms that balance lightweight design with exceptional stiffness for durability and performance.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eThe chainrings are cold forged and CNC machined from 7075 aluminum, incorporating FSA's MEGATORQ technology for improved chain retention, smooth shifting, and long-lasting durability. An updated derailment angle on the non-contact side enhances shifting efficiency for precise gear changes. The crankset is finished in sleek black UD carbon and includes a premium 30mm CNC machined 7050 BB386EVO spindle with a 174mm Q-Factor and 44mm chainline.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eThis crankset is suitable for road and gravel use and compatible with 130mm hubs, as well as 135\/142mm road disc hubs with chainstays both shorter and longer than 415mm. Pedals mount via a standard 9\/16\" spindle interface. Bottom bracket is not included. The overall weight is 650 grams.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eDesigned for Shimano HG+ 12-speed road systems with 50\/40t chainrings and 90 BCD for precise compatibility. \u003c\/li\u003e\n\u003cli\u003eFeatures FSA's Hollow Technology carbon crank arms for a lightweight, stiff, and durable construction. \u003c\/li\u003e\n\u003cli\u003eIncorporates MEGATORQ technology with cold forged CNC 7075 aluminum chainrings for enhanced chain retention and smooth shifting. \u003c\/li\u003e\n\u003cli\u003eIncludes a 30mm CNC machined 7050 BB386EVO spindle designed to support optimal power transfer. \u003c\/li\u003e\n\u003cli\u003eIdeal for road and gravel cycling, with a 172.5mm crank length and a sleek UD carbon black finish.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Full Speed Ahead","offers":[{"title":"Default Title","offer_id":42429011951683,"sku":"CKST3543","price":565.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/CK1641_86b93bb1-d7b9-4b27-8e25-9c8c0504ff45.jpg?v=1791436498","url":"https:\/\/tecopecosafe.com\/products\/full-speed-ahead-sl-k-light-2x-modular-carbon-crankset-172-5-mm-double-12-speed-ckst3543-bicycle-crankset","provider":"365 Cycles","version":"1.0","type":"link"}