{"product_id":"fsa-ebike-chainset-ck-746-1-isis-drive-13-5mm-black-crank-arms-170-175mm","title":"FSA Ebike Chainset CK-746-1 ISIS Drive 13.5mm Black Crank Arms 170-175mm","description":"\u003cp\u003eThe FSA Ebike Chainset CK-746-1 ISIS 13.5mm in sleek black is engineered for e-bike enthusiasts seeking reliable performance and durability. Crafted from forged AL6061\/T6 aluminum, these crank arms offer a perfect balance of strength and lightweight design, weighing just 495g per pair. Available in lengths of 170, 172.5, and 175mm, this chainset provides versatility to suit your riding style and frame requirements.\u003c\/p\u003e\n\n\u003cp\u003eFeaturing the ISIS Drive interface, this crankset ensures precise power transfer and compatibility with a wide range of e-bike motors. Its 2-tone anodized black finish with laser graphics not only adds a modern aesthetic but also protects against wear and corrosion. The carefully designed QFactor and clearance measurements ensure smooth integration with your bike, maximizing both comfort and efficiency.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eEnhancing e-bike drivetrain efficiency with the ISIS Drive system.\u003c\/li\u003e\n  \u003cli\u003eOffering durable, lightweight crank arms made from high-quality forged aluminum.\u003c\/li\u003e\n  \u003cli\u003eProviding multiple length options for customized fit and optimal pedaling.\u003c\/li\u003e\n  \u003cli\u003eEnsuring compatibility with popular e-bike motors such as Bosch G4, Brose MAG, Yamaha PW-X2, and more.\u003c\/li\u003e\n  \u003cli\u003eDelivering a stylish and protective 2-tone anodized black finish with laser-etched graphics.\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 on non-e-bike setups that require different crank interfaces.\u003c\/li\u003e\n  \u003cli\u003eApplications where crank arm clearance is narrower than your bike’s chainstays.\u003c\/li\u003e\n  \u003cli\u003eRiders needing crank lengths outside the available 170-175mm range.\u003c\/li\u003e\n  \u003cli\u003eCompatibility with motors not supporting the ISIS Drive system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich e-bike motors are compatible with this chainset?\u003c\/strong\u003e\u003cbr\u003eThe FSA CK-746-1 is compatible with a variety of ISIS Drive motors, including Bosch G4, Brose MAG, Yamaha PW-X2, Fazua, Nidec, Polini 137 and 144, and SACHS.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I know if the clearance fits my bike?\u003c\/strong\u003e\u003cbr\u003eCheck the clearance between the inside of the crank arms against your bike’s chainstay width to ensure it is wide enough. Refer to the detailed table for measurements based on your motor.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat crank arm lengths are available?\u003c\/strong\u003e\u003cbr\u003eThis chainset comes in 170mm, 172.5mm, and 175mm lengths to suit different rider preferences and bike geometries.\u003c\/p\u003e","brand":"FSA","offers":[{"title":"ISIS \/ Black \/ Offset - 13.5mm, Length - 170mm","offer_id":45966733934767,"sku":"3.24E+13","price":59.16,"currency_code":"GBP","in_stock":false},{"title":"ISIS \/ Black \/ Offset - 13.5mm, Length - 172.5mm","offer_id":45966733967535,"sku":"3.24E+13","price":59.16,"currency_code":"GBP","in_stock":false},{"title":"ISIS \/ Black \/ Offset - 13.5mm, Length - 175mm","offer_id":45966734000303,"sku":"3.24E+13","price":59.16,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/CK-746-1-IS_20Brose.jpg?v=1768531927","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/fsa-ebike-chainset-ck-746-1-isis-drive-13-5mm-black-crank-arms-170-175mm","provider":"Swinnerton Cycles","version":"1.0","type":"link"}