Description The base pipe has one 17mm diameter hole to fit the pole to the chassis. The base pipe is 60 OD (Outside Diameter) and 51.3 ID (Inside Diameter). The offset / bent pipe is 150mm centre to centre and made from 40NB (nominal bore) steel with a 48.4 OD and 42.2 ID. Mudguard Chassis Pole Offset 750mm
