Compatible with both Full Metal Fenders and Poncho Fenders.  For fit instances where a bike requires a stay that is longer than the stock stay. Can also be cut down and used to replace an original length stay in need of repair. 

Specifications

• 30 mm is 345 mm (13.5") in length for 30mm wide fenders
• 37 mm is 381mm (15") in length for 37mm wide fenders
• 45 mm is 345 mm (13.5") in length for 45mm wide fenders
• 55 mm is 381mm (15") in length for 55mm wide fenders
• 65 mm is 350mm (13.75") in length for 65mm wide fenders

Not sure of size or fit? Check out PDW's Full Fender Fit Guide for reference!