{"product_id":"t-a-ref-175-cyclotouriste-professional-adapter-50-4mm-6-bolt-152mm-criterium-rings-exc","title":"T.A. Ref 175 Cyclotouriste Professional Adapter: 50.4mm \u003c 6-Bolt 152mm Criterium Rings (EXC+)","description":"\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eThis rare adapteur bolts on to a Pro 5 Vis Cyclotouriste 50.4mm crank arm (or Stronglight 49D, Velo Orange Gran Cru) and allows for use of TA's 6 bolt \"criterium\" chainrings (Ref 204 \u0026amp; 206).  \u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003eThese adapters were developed in the 1960's in response from racer's need for easier chainring changes on the course.  With this adapter, a racer could change their rings without removing their pedals.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003eCondition\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eExcellent to near mint lightly used shape. Some light cosmetic wear, would look wonderful with a polish\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003eDetails\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003e50.4mm to 152mm 6 bolt\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"T.A.","offers":[{"title":"Default Title","offer_id":53418180018316,"sku":"13801","price":49.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5144\/9740\/files\/portland_oregon_viintage_bike_shop_mtb_1990s_ringle_coda_xtr_srp_salsa_29666__15561.1700535227.1280.1280.jpg?v=1792376488","url":"https:\/\/swooncycles.com\/products\/t-a-ref-175-cyclotouriste-professional-adapter-50-4mm-6-bolt-152mm-criterium-rings-exc","provider":"Swoon Cycles (Bike ReCyclery)","version":"1.0","type":"link"}