{"product_id":"nos-shimano-dura-ace-track-crank-arms-fc-7703-7700-170mm-130mm-bcd","title":"NOS Shimano Dura Ace Track Crank Arms: FC-7703 \/ 7700: 170mm, 130mm BCD","description":"\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eThese cranks are labeled FC-7703, but clearly are track cranks with only room for one 135mm BCD chainring.  It appears the FC-7710 with a 144mm BCD is the Dura Ace track crank shown everywhere else.  Very rare crank!\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;\"\u003eBrand new, no box.  These ones have never been installed, and still have the factory grease in the splines.  Includes self extracting bolts.\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; 170mm\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eBCD: 130mm \u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eUses Octalink V1 bottom bracket, 109.5mm.  There is an NJS model available that would have symmetric spindle ends, but it's unsure if you can use a standard double 109.5mm bb\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eMSRP: $420\u003c\/span\u003e\u003c\/li\u003e \u003c\/ul\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":52518372376716,"sku":"1982","price":219.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5144\/9740\/files\/img_9340_1200x800_1__43379.1411479274.1280.1280_9b2f189c-2ea2-4f7c-bb42-5f0b39621ef5.jpg?v=1792334574","url":"https:\/\/swooncycles.com\/products\/nos-shimano-dura-ace-track-crank-arms-fc-7703-7700-170mm-130mm-bcd","provider":"Swoon Cycles (Bike ReCyclery)","version":"1.0","type":"link"}