Monoshock Honda CR250 RJ 1988 475mm from centre to centre of pins Choice of 475mm or 490mm monoshocks between fixing bolt centres The 475mm have top bush width 20mm & 10mm bolt holeBottom fork ID 20mm & 10mm bolt hole and are OEM 52400-KZ3-B51 The 490mm have top bush width 20mm & 10mm bolt hole Bottom fork ID 20mm & 10mm bolt hole and are OEM 52400-KZ3-E11 |