{"product_id":"mavic-starfish-631-crank-arms-39t-chainring-spacrs-177-5-130mm-bcd","title":"Mavic Starfish 631 Crank Arms \u0026 39t Chainring\/spacrs: 177.5, 130mm BCD","description":"\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eThe rare and famous Mavic \"Starfish\" crank from the 1980's is a one of a kind piece.  It's a one-piece construction with a monsterous spider.  It includes the original 39t ring, and the spacers that fit between the big and small rings.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eVery good used shape.  Like most of these, the finish is scratched up and the ends are a bit scraped.  It would be a nice candidate for a sand and polish.  Chainring is in great shape with little tooth wear.  Tapers are out of square on the outside face, but perfect on the back side.  \u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003eDetails \u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eArm length: 177.5mm\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eBCD: 130mm\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\n\u003cspan style=\"font-size: medium;\"\u003eBottom bracket needed (not included but available \u003c\/span\u003e\u003ca style=\"font-size: medium;\" title=\"Record BB 114.5x68\" href=\"%%GLOBAL_ShopPath%%\/campy-record-bb-114-5-english\" target=\"_self\"\u003eHERE\u003c\/a\u003e\u003cspan style=\"font-size: medium;\"\u003e): Square taper (JIS), 114mm spindle length (according to Velobase)\u003c\/span\u003e\n\u003c\/li\u003e \u003c\/ul\u003e","brand":"Mavic","offers":[{"title":"Default Title","offer_id":52517543280780,"sku":"2582","price":49.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5144\/9740\/files\/img_2495_1200x800__88844.1411478994.1280.1280_c7e6de6d-fb01-4e2c-a35e-0a7fb96e2b59.jpg?v=1792333333","url":"https:\/\/swooncycles.com\/products\/mavic-starfish-631-crank-arms-39t-chainring-spacrs-177-5-130mm-bcd","provider":"Swoon Cycles (Bike ReCyclery)","version":"1.0","type":"link"}