High strength construction for reliable, long lasting use Converts 25.4 mm to 31.8 mm to adapt handlebars to a larger clamp without replacing the stem Change your handlebar and stem size with this bushing without changing the stem Full CNC precision machining delivers a precise fit with smooth, burr free edges for safe handling Compatibility and performance you can rely on Designed to bridge 25.4 mm handlebars to a 31.8 mm stem clamp, enabling quick size changes without component replacement Safe, smooth installation with burr free finishes reduces risk of injury during handling Practical use scenarios - Upgrading a bike with a 31.8 mm clamp stem while keeping an existing 25.4 mm handlebar; install this bushing to bridge the size difference and retain your bar setup - Retrofitting or swapping stems on multiple bikes; use the bushing to test compatibility with different stems without swapping handlebars - In a workshop or team setup where quick, non invasive compatibility tests are needed; switch stems or bars efficiently without purchasing new bars just for compatibility Notes - Converts 25.4 mm to 31.8 mm to fit clamp size difference between components - Fully machined for consistent sizing and a clean finish - Safe handling due to smooth machining edges