🏍️ Rev up your ride with precision and power! Maximize engine efficiency with our velocity stack for a seamless air intake experience. Say goodbye to complicated jetting; our 'D' slide technology simplifies tuning for instant performance. Everything you need for a high-performance upgrade, compatible with 2-stroke 48cc and 66/80cc engines. Fine-tune your ride with both air/fuel and idle adjustment screws for optimal performance. Experience unparalleled power and throttle response with the BBR Tuning 21mm OKO Carburetor! Fully adjustable Boosts power 21mm size The BBR Tuning Racing Series High Performance 2-Stroke OKO Style Carburetor is designed to enhance the performance of your motorized bike. With a 21mm size, it features advanced 'D' slide technology for easy tuning, increased airflow with a velocity stack, and a complete package that includes all necessary components for installation. Compatible with 2-stroke 48cc and 66/80cc engines, this carburetor is a must-have for any serious rider looking to elevate their biking experience.