Works Components 1.0Adeg angle-adjust headset with ZS56 upper and ZS56 lower cups for tapered steerer tubes and head tubes between 110mm and 119mm in length. CNC-machined in the UK from 6082-T6 aluminum with sealed bearings. Allows + or - geometry adjustment. Fits frames with 56mm upper and 56mm lower internal head tubes. Tapered steerer tube compatible (1 1/8" to 1 1/2") or with 1 1/8" fork with a reducer crown race. Ideal for trail, enduro, E-bike and downhill bikes. Works Components Angled Headsets Explained Adjusts the bike&&';;s head tube angle by 1.0 degree 1.0 degree headset will lengthen a bikes wheelbase by around 10mm, and lower the bottom bracket by 2mm Due to angled nature, headsets are head tube length specific. This headset is suited for head sets between 110mm and 119mm in length Precision CNC-machined from 6082-T6 aluminum and anodized in the UK Includes top-cap, star nut, bearings and crown race table{border-collapse:collapse;width:100%;}td{text-align: left;padding: 8px;font-weight:350;}tr:nth-child(even){background-color:#f2f2f2}th{background-color:#eb212e;color:white;text-align:left;padding:8px;}.desc ul{font-size:24px;font-weight:600;margin-left:-25px;padding-top:35px;border-top:3px solid #f0f0f0;}.desc li{list-style:none;border-bottom:4px solid #eb212e;width:142px;} TECH SPECS Model 1.0 Degree Angle Headset S.H.I.S. ZS56/28.6 / ZS56/40 Stack 8mm/3mm Angle 1.0Adeg Head tube Length 110-119mm Head tube Internal Diameter Upper: 56mm (ZS56) / Lower: 56mm (ZS56) Cup Insertion Depth Upper: 11.5mm / Lower: 11.5mm Upper Bearing 41mm OD, 45 x 45Adeg AC sealed bearing Lower Bearing 52mm OD, 45 x 45Adeg AC sealed bearing Color Black