{"product_id":"91-5145-389","title":"RENNEN 4-Bolt 38.9t Black 7075CH-R:38.9T-B","description":"\u003cp\u003eRennen Decimal Gearing is a breakthrough in gearing technology. We have developed Special Engineered Tooth profiles that allow us to manipulate the size of a existing gearing to make it slightly harder or easier depending on your needs for the track. Changing your gearing by Fractions of a tooth is now possible.\u003c\/p\u003e","brand":"WPS-RENNEN","offers":[{"title":"Default Title","offer_id":44619634409730,"sku":"7075CH-R:38.9T-B","price":44.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8981\/2226\/files\/cc4f-572a92fe032cf_b774027f-807a-4e48-9fdf-2f9ce54c3ded.jpg?v=1712706795","url":"https:\/\/billsperformance.com\/ja\/products\/91-5145-389","provider":"Bills Performance","version":"1.0","type":"link"}