{"product_id":"nos-ta-tandem-crossover-timing-chainring-set-31t-ref-201-50-4mm-pair","title":"NOS TA Tandem Crossover Timing Chainring Set: 31t - Ref 201 - 50.4mm (pair)","description":"\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eThese are tandem chainrings in 50.4mm BCD for Cyclotouriste \/ Pro 5 Vis cranksets (as well as Stronglight 49D and Velo Orange Grand Cru cranks).  These go on the front and rear crank, both on the non-drive side.  They can also be used for singlespeed setups on track\/fixie\/townie bikes.  These are original production from the 1960's, 70's, or early 80's, and have the later logo (more likely mid 70's to early 80's).\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003eCondition\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eNew old stock, never installed. Minimal shop wear\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003eDetails\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eModel: REF 205\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eIncludes TWO chainrings\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003e31 tooth\u003c\/span\u003e\u003c\/li\u003e \u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eBCD: 50.4mm\u003c\/span\u003e\u003c\/li\u003e \u003c\/ul\u003e","brand":"T.A.","offers":[{"title":"Default Title","offer_id":53002169450636,"sku":"7428","price":69.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5144\/9740\/files\/nos_nib_vintage_road_chainrings_ta_cyclotourist_nervar_zeus_Campy_stronglight_18766__38632.1526972228.1280.1280.jpg?v=1791212938","url":"https:\/\/swooncycles.com\/products\/nos-ta-tandem-crossover-timing-chainring-set-31t-ref-201-50-4mm-pair","provider":"Swoon Cycles (Bike ReCyclery)","version":"1.0","type":"link"}