{"product_id":"couronne-rennen-4-vis-non-filetee","title":"RENNEN 4-Bolt Non-Threaded Chainring","description":"\u003cp\u003eThe \u003cb\u003eRennen 4-bolt non-threaded chainring\u003c\/b\u003e is the standard version of the flagship model from American manufacturer \u003cb\u003eRennen Design Group\u003c\/b\u003e, CNC machined in the USA from \u003cb\u003eaerospace-grade 7075-T6 aluminium\u003c\/b\u003e — an alloy rated 83% stronger than the 6061 aluminium used on entry-level chainrings.\u003c\/p\u003e\n\u003cp\u003eWith a thickness of \u003cb\u003e3\/16\" (approx. 4.8 mm)\u003c\/b\u003e and a weight of \u003cb\u003e79 g in 38T\u003c\/b\u003e, it is among the lightest chainrings on the market. Its dedicated \u003ci\u003esingle speed\u003c\/i\u003e tooth profile has been designed to extend tooth life, a detail often overlooked on machined chainrings.\u003c\/p\u003e\n\u003cp\u003eThis is the version offering the \u003cb\u003ewidest range of tooth counts\u003c\/b\u003e, from 38 to 52 teeth: perfect for equipping a youth setup as well as a Cruiser with a high gear ratio. Non-threaded bolt holes: make sure to provide a chainring bolt and nut set suited to your crank arm thickness.\u003c\/p\u003e","brand":"RENNEN","offers":[{"title":"38","offer_id":57326914896252,"sku":"PBS_RENN074808","price":65.71,"currency_code":"EUR","in_stock":true},{"title":"39","offer_id":57326914863484,"sku":"PBS_RENN074807","price":65.71,"currency_code":"EUR","in_stock":false},{"title":"43","offer_id":57326914830716,"sku":"PBS_RENN074806","price":65.71,"currency_code":"EUR","in_stock":true},{"title":"47","offer_id":57326914797948,"sku":"PBS_RENN074805","price":65.71,"currency_code":"EUR","in_stock":true},{"title":"48","offer_id":57326914765180,"sku":"PBS_RENN074804","price":65.71,"currency_code":"EUR","in_stock":false},{"title":"50","offer_id":57326914732412,"sku":"PBS_RENN074803","price":65.71,"currency_code":"EUR","in_stock":false},{"title":"52","offer_id":57326914699644,"sku":"PBS_RENN074802","price":65.71,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/3444\/9318\/files\/21141.jpg?v=1787210692","url":"https:\/\/probikeshop.com\/products\/couronne-rennen-4-vis-non-filetee","provider":"Probikeshop","version":"1.0","type":"link"}