Chain sprockets 93 Chain sprockets 815 MINI 0.86/22 OD PD S B 0.86/22 OD PD S B Split idler sprocket, machined Part Article-Nr. Z- Bore in PD in-mm OD in-mm S in-mm 580 58050 19 0.71* 4.62/117,3 4.60/117,0 2.43/61,9 580 58051Y 1 580 58052Y 1¹⁄₄ 580 58053Y 1⁷⁄₁₆ 580 58054Y 1¹⁄₂ 581 58150 21 0.71* 5.09/129,3 5.08/129,0 2.67/67,8 581 58151Y 1 581 58152Y 1¹⁄₄ 581 58153Y 1⁷⁄₁₆ 581 58154Y 1¹⁄₂ 582 58250 23 0.71* 5.56/141,2 5.59/142,0 2.90/73,8 582 58251Y 1 582 58252Y 1¹⁄₄ 582 58253Y 1⁷⁄₁₆ 582 58254Y 1¹⁄₂ 583 58350 25 0.71* 6.03/153,2 6.06/154,0 3.14/79,8 583 58351Y 1 583 58352Y 1¹⁄₄ 583 58353Y 1⁷⁄₁₆ 583 58354Y 1¹⁄₂ *Plain Bore Material: Polyamide Screws: Stainless steel Nuts: Zinc plated steel 815MINI Split drive sprocket, machined Part Article-Nr. Z- Bore in PD in-mm OD in-mm S in-mm 580 58001Y 19 1 4.62/117,3 4.60/117,0 2.43/61,9 580 58002Y 1¹⁄₄ 580 58003Y 1⁷⁄₁₆ 580 58004Y 1¹⁄₂ 581 58101Y 21 1 5.09/129,3 5.08/129,0 2.67/67,8 581 58102Y 1¹⁄₄ 581 58103Y 1⁷⁄₁₆ 581 58104Y 1¹⁄₂ 582 58201Y 23 1 5.56/141,2 5.59/142,0 2.90/73,8 582 58202Y 1¹⁄₄ 582 58203Y 1⁷⁄₁₆ 582 58204Y 1¹⁄₂ 583 58301Y 25 1 6.03/153,2 6.06/154,0 3.14/79,8 583 58302Y 1¹⁄₄ 583 58303Y 1⁷⁄₁₆ 583 58304Y 1¹⁄₂