The Thinline pad was designed for brake systems with tight brake clearance and for easy tire removal. This pad has a hardened rigid internal backbone that helps pack a lot of performance into a small space.Key Features:Low Profile,Hardened and Plated reinforced steel backbone,Patented Angled tip plow,Water grooves,Knurl-lock™ washer system,Self tow in,Available in Threaded and 2024 Aluminium Smooth Post,.Threaded Specifications:Weight per pair: 55.4 grams,Overall length: 71.8 mm,Pad contact width: 9.1mm.