Lightweight aluminum tubing, stainless steel hardware, and fully adjustable upper stays make the Pork Chop rack a durable addition to any bike. - Fits most 700c cantilever and disc brake bikes - Tubular aluminum construction, 10mm diameter - Stainless steel hardware - Fully adjustable upper mounting brackets - W-bend at bottom of rack for easy on-and-off of hook-style panniers - Platform Dimensions: 10.75 x 4.88" - Weight: 650g - Weight Limit: 40 lbs.