The No. 9 Carbon Tubeless 650b Road Rim from Whisky Parts Co. is an ideal choice for 650b gravel adventure rigs and road plus bikes, featuring a 25mm internal width that works well for tires ranging from 32mm wide all the way up to 2. 35-inches. The carbon fiber rim is constructed with a hookless bead for easy tubeless setup, as well increased impact resistance against nasty potholes in the road or jagged rocks that you'd find on the trail. Lightweight and wide, these rims deliver stability and quick accelerations, and are ready to be laced up to your favorite 28-hole hub.