RITCHEY WCS Bearing 1-1/4 IS47 (1 piece) Bicycle Head Parts ● GD ● 1-1/4” ● IS47: 46.9 x 34.1 / 45 x 45 ■ Please note that the design, specifications, and appearance of the product may change without prior notice. Cycle Parts Bicycle Head Parts Headset Road Bike MTB Mountain Bike Cyclocross Cross Bike