PM, pompa hamulcowa hamulca hydr. Contour, otwór 11/16″. CC

Contrast Cut hydraulic brake master cylinder. Compatible with 1″ handlebars. PM recommends the use of 11/16″ bore with all 4 and 6-piston dual caliper set-ups. Note: The use of the small 125×2 2-piston caliper is not recommended for regular street use. If you insist on using the small calipers; PM advises the use of 9/16″ bore handlebar master cylinders with both single and dual caliper set-ups. Note: Switches & switch housing must be purchased separately