The Phat Padd was designed specifically for triple wall BMX rims and is a wider pad with more braking surface .Great for 990 cantilever and U-Brakes. Features: *     Hardened and Plated reinforced steel backbone *     Knurl-lock™ washer system *     Available in Threaded and 2024 Aluminum Smooth Post *     Rim Friendly Compounds Specifications: *     Kool Stop part number: KS-PCSA * Color: SALMON (Kool Stop's more aggressive compound for wet conditions) * Weight per pair: 64.6 grams *     Overall length: 72.1 mm *     Pad contact width: 17.8 mm (VERY IMPORTANT! MEASURE YOUR RIMS BEFORE ORDERING TO BE SURE THE BRAKE SURFACE IS "TALL" ENOUGH - THESE ARE FOR TRIPLE WALLED RIMS) * MADE IN THE USA * SOLD IN PAIRS (1 PAIR = 1 WHEEL/BRAKE)