b'Pneumatic CastorCODE DESCRIPTIONFIXED99020 Fixed Castor Yoke Zinc Plated99030 Fixed Castor Yoke assy with 280/250-4 steel centred wheel99080 Fixed Castor Yoke assy with 300-4 steel centred wheel99100 Fixed Castor Yoke assy with 410/350-4 steel centred wheelSWIVEL99120 Swivel Castor Yoke Zinc Plated99160 Swivel Castor Yoke assy with 280/250-4 steel centred wheel99180 Swivel Castor Yoke assy with 300-4 steel centred wheel99200 Swivel Castor Yoke assy with 410/350-4 steel centred wheelPU solid wheel options are available. 99020990809910099120991609918099200Tubeless ValvesC SUITS VALVE CODE DESCRIPTION LENGTH (A) mm DIAMETER (B) mm HOLE (C) mm99980 TR412 21.9 19 14.599981 TR413 29 19 14.599982 TR414 36 19 14.5A 99984 TR415 29 23.5 1999983 TR418 49 19 14.5B 0800 653 246 treadway.co.nz101'