Belt tensioner pulley V-groove for lawn mower mower lawn mower TECHNICAL DATA Overall height in mm: 33.30 Outer edge in mm: 89.00 Edge width in mm: 22.50 Suitable belt width in mm: 12.70 Outer Ø in mm: 89.00 Inner Ø in mm: 25.40 CODE: 275-503 ORIGINAL CODE: CZ