DEDA Integrated HS x 40 x 8mm Small S-DCR 1.5"-1.5" / 51.9 / 45° Headset,

・S-DCR compatible ・Weight: 90g ・HEADSETMODEL:INTEGRATED1.5"-1.5" Bearing size: UPPER 51.9 x 40 x 8 mm, LOWER 51.9 x 40 x 8 mm Contact angle: 45 degrees x 45 degrees Head tube diameter: 56.0 mm Forksteer: Tapered 1-1/8" (28.6 mm) - 1.5" (38.10 mm) Top cover: Diameter 56 mm Crown race: Diameter 39.8 mm Aluminum Stack height: 16 mm