{"product_id":"fsa-ck-745-ebike-chainset-isis-drive-25-7mm-black-165mm-crank-arm","title":"FSA CK-745 Ebike Chainset ISIS Drive 25.7mm Black 165mm Crank Arm","description":"\u003cp\u003eThe FSA Ebike Chainset CK-745 ISIS 25.7mm Black (165mm) is a high-performance component designed specifically for eMTB enthusiasts seeking durability and precision. Crafted from forged AL6061\/T6 aluminum, this chainset combines strength with a lightweight design, weighing just 477g per pair. Its 2-tone anodized black finish adds a sleek, modern look that complements any bike build.\u003c\/p\u003e\n\n\u003cp\u003eAvailable in crank arm lengths of 165, 170, and 175mm, the CK-745 offers versatility to fit a range of rider preferences and bike geometries. Featuring the reliable ISIS Drive interface, this chainset ensures smooth power transfer and compatibility with various e-bike motors. The careful engineering of QFactor and clearance dimensions guarantees optimal chainstay clearance for multiple motor systems, making it a practical choice for custom e-bike builds or upgrades.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eProviding strong, lightweight crank arms for enhanced pedaling efficiency\u003c\/li\u003e\n  \u003cli\u003eCompatibility with a variety of e-bike motor systems thanks to ISIS Drive\u003c\/li\u003e\n  \u003cli\u003eOffering multiple crank arm lengths to suit rider comfort and style\u003c\/li\u003e\n  \u003cli\u003eSleek 2-tone anodized finish that resists wear and corrosion\u003c\/li\u003e\n  \u003cli\u003eEnsuring proper clearance for chainstays across different motor setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat It’s NOT Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUse with non-ISIS Drive systems or incompatible motor interfaces\u003c\/li\u003e\n  \u003cli\u003eRiders requiring crank arms outside the 165-175mm length range\u003c\/li\u003e\n  \u003cli\u003eBikes with chainstays narrower than specified clearance dimensions\u003c\/li\u003e\n  \u003cli\u003eApplications where weight is not a consideration, as this is optimized for balance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich crank arm lengths are available for the FSA CK-745?\u003c\/strong\u003e\u003cbr\u003eThe chainset comes in 165mm, 170mm, and 175mm lengths to accommodate different rider preferences and bike setups.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the CK-745 compatible with all e-bike motors?\u003c\/strong\u003e\u003cbr\u003eIt is designed specifically for ISIS Drive systems and is compatible with motors such as Bosch G4, Brose MAG, Yamaha PW-X2, and others listed in the specifications table. Always check your motor’s QFactor and clearance requirements before purchasing.\u003c\/p\u003e","brand":"FSA","offers":[{"title":"Default Title","offer_id":45478498238639,"sku":"324-0055002090","price":50.46,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/1726736841-64021100.jpg?v=1768522126","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/fsa-ck-745-ebike-chainset-isis-drive-25-7mm-black-165mm-crank-arm","provider":"Swinnerton Cycles","version":"1.0","type":"link"}