{"product_id":"full-speed-ahead-sl-k-light-2x-modular-carbon-crankset-172-5-mm-double-12-speed-ckst3533-bicycle-crankset","title":"FSA SL-K 2x Carbon Crankset 172.5mm 12-Speed, Hollow Tech, 53\/39t","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eThe Full Speed Ahead SL-K 2x Modular Carbon Crankset features 172.5mm crank arms designed for Shimano HG+ 12-speed road drivetrains. It includes a 53\/39-tooth double chainring setup with a direct mount outer ring and 90 BCD inner chainrings. The crank arms are made using FSA's Hollow Technology, producing ultra-light carbon arms that balance lightweight construction with high stiffness for reliable performance and durability. The crankset's chainrings are cold-forged, CNC-machined 7075 aluminum with MEGATORQ technology, providing excellent chain retention, smooth shifting, and long-lasting durability. An updated derailment angle on the non-contact side improves shifting speed and precision without sacrificing chain retention. The spindle is a premium 30mm CNC-machined 7050 BB386EVO with a 174mm Q-factor and 44mm chainline. Compatible with 130mm hubs as well as 135\/142mm road disc hubs for chainstays both under and over 415mm, this black crankset is suitable for road and gravel use. This product does not include a bottom bracket. Pedal spindle size is 9\/16\". Weight is 650 grams.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eFull Speed Ahead SL-K crankset features hollow carbon crank arms for lightweight construction with high stiffness and durability. \u003c\/li\u003e\n\u003cli\u003eCold forged 7075 aluminum chainrings use MEGATORQ technology for superior chain retention and smooth 12-speed shifting. \u003c\/li\u003e\n\u003cli\u003eDesigned with a direct mount outer ring and 90 BCD inner ring compatible with Shimano HG+ 12-speed road systems. \u003c\/li\u003e\n\u003cli\u003eIncludes a premium 30mm CNC machined 7050 BB386EVO spindle for enhanced strength and performance. \u003c\/li\u003e\n\u003cli\u003eIntended for road and gravel use, with a 172.5mm crank length and black UD carbon finish for a sleek, technical look.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Full Speed Ahead","offers":[{"title":"Default Title","offer_id":42429009166403,"sku":"CKST3533","price":566.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/CK1641_854d2d14-c655-40fe-b24b-bf38058ad339.jpg?v=1791436451","url":"https:\/\/tecopecosafe.com\/products\/full-speed-ahead-sl-k-light-2x-modular-carbon-crankset-172-5-mm-double-12-speed-ckst3533-bicycle-crankset","provider":"365 Cycles","version":"1.0","type":"link"}