Spurcycle C70 City/Flat Bar 70mm Mirror Seatposts The Shimano GRX BL-RX810/BR-RX810 is

The Shimano GRX BL-RX810/BR-RX810 is the front hydraulic disc brake and lever built specifically for gravel and mixed-terrain riding

giving you clean

Module is removable and the strap is machine washable

Verify part number Y3HU98010 matches your hub before ordering

What Makes the Zipp Service Course SL 0mm Seatpost Special

Spurcycle C70 City/Flat Bar 70mm Mirror Seatposts The Shimano GRX BL-RX810/BR-RX810 isWhy is the Spurcycle C70 the easiest bar end mirror to use on a flat bar? The Spurcycle C70 City Flat Bar 70mm Mirror is the largest of Spurcycle's C series, and that big 70mm tempered glass lens is the whole point: it gives you the largest, easiest to read rearview of any Spurcycle mirror. A robust, rigid arm keeps the image steady and vibration free even on rough city streets and gravel, while the smooth ball and socket joint with adjustable tension