{"product_id":"8721398630113-kmc-bosch-gen-4-super-narrow-chainrings","title":"KMC Super Narrow Chainring Compatible with Bosch Gen 4 e-Bike Motors - Spacerless - Direct Mount","description":"\u003cmeta content=\"text\/html; charset=utf-8\" http-equiv=\"Content-Type\"\u003e\u003cp\u003e\u003cspan\u003e\u003cul\u003e\n\u003cli\u003eSpesifically designed to be compatible with Bosch Gen 4 Performance Line CX and Performance Line Speed from Model Year 2020\u003c\/li\u003e\n\u003cli\u003eDesigned to work seamlessly with KMC e-bike chains, pair with an appropriate KMC e-bike chain to achive a minimum of 3500km\u003c\/li\u003e\n\u003cli\u003ePerfectly Matched to KMC Chains – Works flawlessly with KMC e-bike chains - e1 \/ e8 \/ e9 \/ e10 \/ e11 \/ e12\u003c\/li\u003e\n\u003cli\u003eDirect Mount - Ensures precise alignment and smooth operation\u003c\/li\u003e\n\u003cli\u003eNot compatible with 12-\/13-speed flattop chains and Shimano 12-speed chains\u003c\/li\u003e\n\u003c\/ul\u003eThese chainrings from KMC are compatible with Bosch 4th generation e-bike motors. Designed to last a minimum of 3500km, combining these with KMC’s E chains to extend the life of your chain and chainring even further. Longer lasting, quality material and unparalleled gear changes. Features Designed to work seamlessly with Gen 4 Performance Line CX and Performance Line Speed from Model Year 2020 Hardened Chromoly steel Maximum efficiency which saves battery Extreme durability, highest precision Perfectly matched with KMC Chains - e1 \/ e8 \/ e9 \/ e10 \/ e11 \/ e12 \/ DLC12 Not compatible with 12-\/13-speed flattop chains and Shimano 12-speed chains Specifications Size: 1\/2\" x 11\/128” Colour: Black Compatible with Bosch 4 e-bike motors Also Compatible with Bosch BDU38\/34 motors. However, this results in different chainlines, which must be considered during installation\u003cbr\u003eItem Length: 250\u003cbr\u003ePart Type: Bike Spares\u003cbr\u003eSize: 42T   Chainline 52mm\u003cbr\u003eType: Chainrings\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Rarewaves","offers":[{"title":"Default Title","offer_id":58746840777078,"sku":"8721398630113","price":22.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0092\/7504\/8033\/files\/orig_15766206_30934016_20260917075230.jpg?v=1789678930","url":"https:\/\/www.rarewaves.com\/products\/8721398630113-kmc-bosch-gen-4-super-narrow-chainrings","provider":"Rarewaves.com","version":"1.0","type":"link"}