{"product_id":"fsa-ck-320-ebike-chainset-for-bosch-bni-27-5mm-isis-drive-black-165mm","title":"FSA CK-320 Ebike Chainset for Bosch BNI 27.5mm ISIS Drive Black 165mm","description":"\u003cp\u003eThe FSA Ebike Chainset CK-320 Bosch BNI 27.5mm Black (165mm) is a high-quality component designed specifically for eMTB enthusiasts seeking reliable performance and durability. Crafted from die-cast alloy, the crank arms provide a robust yet lightweight solution, weighing just 503g per pair. Its sleek black bead-blasted finish with printed graphics not only enhances the aesthetic appeal but also offers resistance against wear and tear.\u003c\/p\u003e\n\n\u003cp\u003eThis chainset supports multiple crank arm lengths—155, 165, 170, and 175mm—allowing riders to choose the perfect fit for their riding style and comfort. Featuring the ISIS Drive system, it ensures smooth power transfer and compatibility with a variety of e-bike motors, including Bosch G4, Yamaha PW-X2, and Brose MAG. The precise QFactor and clearance measurements make installation straightforward, ensuring optimal chainstay clearance and efficient pedaling dynamics.\u003c\/p\u003e\n\n\u003cp\u003eDesigned with mountain biking transmission needs in mind, this crankset balances strength and functionality, making it an excellent upgrade or replacement for your e-bike drivetrain. Whether you're tackling rugged trails or commuting on mixed terrain, the FSA CK-320 delivers dependable performance backed by FSA’s engineering excellence.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eProviding durable, lightweight crank arms tailored for eMTB use.\u003c\/li\u003e\n  \u003cli\u003eOffering multiple crank arm lengths for personalized fit and pedaling efficiency.\u003c\/li\u003e\n  \u003cli\u003eEnsuring compatibility with various popular e-bike motors using ISIS and JIS interfaces.\u003c\/li\u003e\n  \u003cli\u003eDelivering a corrosion-resistant finish that withstands harsh riding conditions.\u003c\/li\u003e\n  \u003cli\u003eFacilitating smooth power transfer for improved riding performance on technical terrain.\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-compatible motor systems outside the ISIS and JIS drive standards.\u003c\/li\u003e\n  \u003cli\u003eApplications requiring crank arms outside the 155-175mm length range.\u003c\/li\u003e\n  \u003cli\u003eRiders needing integrated chainring options, as this is a crank arm set only.\u003c\/li\u003e\n  \u003cli\u003eCasual cycling where specialized eMTB components are not necessary.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs this chainset compatible with my Bosch G4 motor?\u003c\/strong\u003e\u003cbr\u003eYes, the FSA CK-320 is designed specifically for compatibility with the Bosch G4 motor using the ISIS drive interface, with a QFactor of 187mm and clearance of 159mm, ensuring a perfect fit.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan I choose different crank arm lengths?\u003c\/strong\u003e\u003cbr\u003eAbsolutely. This chainset is available in 155, 165, 170, and 175mm lengths, allowing you to select the ideal size for your riding comfort and style.\u003c\/p\u003e","brand":"FSA","offers":[{"title":"Black","offer_id":45793425555631,"sku":"324-0044002260","price":36.54,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/CK-320-IS_20Bosch_20G3.jpg?v=1768528390","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/fsa-ck-320-ebike-chainset-for-bosch-bni-27-5mm-isis-drive-black-165mm","provider":"Swinnerton Cycles","version":"1.0","type":"link"}