{"product_id":"ck-1-carbon-crankset","title":"CK-1 Carbon Crankset","description":"\u003cp\u003eCK-1 cranks are Promax’s top-of-the-line carbon crank offering.  The race-ready carbon design maximizes strength and minimizes weight.  The crank arms spin on a beefy 30mm spindle to increase stiffness and power transfer.  These cranks offer direct-mount chainring compatibility for additional weight savings, or run them with a 4-bolt 104 BCD chainring adapter, available separately.\u003c\/p\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003ePremium carbon crank arms are lightweight and extremely strong\u003c\/li\u003e\n\u003cli\u003e30mm premium 7075 aluminum spindle provides increased stiffness and efficient power transfer\u003c\/li\u003e\n\u003cli\u003eDesigned and optimized for chainrings with SRAM's 3-Bolt mount style (bolts sold separately. SKU number CK2203 recommended)\u003c\/li\u003e\n\u003cli\u003eCompatible with Promax 4-Bolt 104BCD Spider\/Adapter for CK-1 cranks (sold separately)\u003c\/li\u003e\n\u003cli\u003ePedal washers included and required\u003c\/li\u003e\n\u003cli\u003eBottom bracket sold separately\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Promax","offers":[{"title":"170","offer_id":46704121577720,"sku":"CK21-030CK170-BK","price":349.99,"currency_code":"USD","in_stock":true},{"title":"165","offer_id":46704121610488,"sku":"CK21-030CK165-BK","price":349.99,"currency_code":"USD","in_stock":true},{"title":"175","offer_id":46704121643256,"sku":"CK21-030CK175-BK","price":349.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0357\/3930\/4074\/files\/CK0495.jpg?v=1755502548","url":"https:\/\/shopbikesupply.com\/products\/ck-1-carbon-crankset","provider":"Sierra Bicycle Supply","version":"1.0","type":"link"}