Ideal for Trail, Enduro, and Downhill MTB applications 3D forged and CNC machined AL6061-T6 alloy construction Lightweight, extra-wide 4 bolt front loading one-piece faceplate design 40mm stack height Weight: 115g ISO-Mountain safety certified 1-1/8` 35 31.8 0? Blk AL6061-T6 MatteUPC/EAN/GTIN: 888571052778