{"product_id":"trek-knockblock-lock-spacer-black","title":"Trek KnockBlock Headset Lockring Spacer, Black","description":"\u003cp\u003eA genuine Trek replacement part made specifically for Trek Knock Block technology. The lockring spacer locks the steerer tube to the headset bearing cover and frame chip, and is for use only with Trek Knock Block systems. Black; Trek model 545523.\u003c\/p\u003e","brand":"Trekbikes.com","offers":[{"title":"Default Title","offer_id":47406265893027,"sku":"210000006076","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/0110\/2499\/files\/TrekKnockBlockHeadsetLockringSpacer_27583_A_Primary.png?v=1793570335","url":"https:\/\/www.browncountybikes.com\/products\/trek-knockblock-lock-spacer-black","provider":"Brown County Bikes","version":"1.0","type":"link"}