Shadow Thirteen Fork material: post heat-treated 4130 chromoly butted, tapered hydroformed tubing offset: 13mm dropouts: 3/8 inch slots | 5mm thick | RigiDrop system | 4130 crmo | heat-treated bearing race: integrated steerer tube diameter: 1 1/8 inch steerer tube length: 162mm tire clearance: fits large tires compression bolt: 18x1,5mm | 7075-T6 alloy color: chrome