{"product_id":"gr-compu-bal-trumpet-mouthpiece-64-7-rim","title":"GR Compu-Bal trumpet mouthpiece 64.7 rim","description":"\u003cp\u003eThe GR 64.7 Series cup diameter is somewhat similar to a conventional 13 diameter. 64.7S is a great alternative for those who \"bottom out\" on a 13A4a. \u003c\/p\u003e\n\u003cp\u003eThe rim is slightly wider than the standard GR rim, and features a semi - flat contour. It has a slightly more cushioned feel than Standard but with a bit that allows for precise articulations. \u003c\/p\u003e","brand":"GR","offers":[{"title":"64.7S","offer_id":54808579211649,"sku":"64.7S","price":266.67,"currency_code":"GBP","in_stock":false},{"title":"64.7MS","offer_id":54808579244417,"sku":"64.7MS","price":266.67,"currency_code":"GBP","in_stock":false},{"title":"64.7M","offer_id":54808579277185,"sku":"64.7M","price":266.67,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/0856\/9402\/files\/Tpt-63Z-2_1_9d0c0e93-3f32-4c2e-9245-bd8d83f6f18d.jpg?v=1714048209","url":"https:\/\/prozonemusic.com\/products\/gr-compu-bal-trumpet-mouthpiece-64-7-rim","provider":"Prozone Music Ltd","version":"1.0","type":"link"}