{"product_id":"shimano-105-fc-rs520-crankset-172-5-mm-double-12-speed-ckst2273-bicycle-crankset","title":"Shimano 105 FC-RS520 12-Speed Crankset 172.5mm 50\/34T for Road Cycling","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eThe Shimano 105 FC-RS520 crankset features a 2-piece, 4-arm design intended for road bikes with disc brakes. It supports a 12-speed drivetrain and includes double chainrings sized 50\/34 teeth with a 110mm asymmetric bolt circle diameter (BCD). The crank length is 172.5mm, and it has a 44.5mm chainline and a 150mm Q-factor. This crankset is compatible with 135mm or 142mm road disc hubs and frames with chainstay lengths over 410mm. It uses a Shimano Hollowtech II spindle interface with a 9\/16\" pedal spindle. The color is black. Bottom bracket is not included.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eCompatible with 12-speed drivetrains for smooth shifting on modern road bikes. \u003c\/li\u003e\n\u003cli\u003eFeatures a 4-arm crank design with Shimano Asymmetric 110 BCD chainrings sized 50\/34t. \u003c\/li\u003e\n\u003cli\u003eDesigned for road frames with disc brakes, supporting 135mm O.L.D. and chainstay lengths over 410mm. \u003c\/li\u003e\n\u003cli\u003eMeasures 172.5mm crank length with a 44.5mm chainline and 150mm Q-factor for balanced pedaling. \u003c\/li\u003e\n\u003cli\u003eUses Shimano Hollowtech II spindle interface with 9\/16\" pedal spindle for standard road cycling setup.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":42205042606147,"sku":"CKST2273","price":137.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/CK9891.jpg?v=1791824237","url":"https:\/\/tecopecosafe.com\/products\/shimano-105-fc-rs520-crankset-172-5-mm-double-12-speed-ckst2273-bicycle-crankset","provider":"365 Cycles","version":"1.0","type":"link"}