LA Choppers Hefty Smooth Riser for 1 1/4in Handlebar - 3in. Tall - Black LA-7406-03B Allow you to install LA Choppers handlebars or other handlebars with a 1-1/4in. diameter clamping area Bright chrome or a gloss black finish Threads are 1/2 -13 Include riser clamps Metric adapters included to fit models listed; see chart