0222110 Magura Left Front Master Cylinder 13mm. Lightweight, die cast aluminum. Available in either 13mm or 16mm bore and left and right. 16mm is recommended for hydraulic clutch application and dual caliper brakes. For 7/8" diameter bars. Master cylinders are threaded for 10 x 1mm thread for use with 10mm ID x 10mm width banjo style hose fitting end.