b'Plastic Centred WheelsFlanged BearingsA= Rim Diameter B= Rim Width C= Hub Width D= Bearing I.D D ACFor bearing/colourBEARING SERIESoptions, see below.B8"RIM ASSEMBLED WITH TYRE91500SIZE CODE TREAD PLY LOAD kg O.D mm S.W mmRim 2.50-8" Red Plastic 350-8 91540 W118 4 145 391 911" Flanged Bearing480/400-8 91560 W110 2 198 399 101A: 200mm B: 57mmC: 76mmD: 25.4mm 480/400-8 91580 W130 4 304 414 1158"RIM ASSEMBLED WITH TYRESIZE CODE TREAD PLY LOAD kg O.D mm S.W mm91600 16x650-8 91620 W130 4 282 406 164Rim 4.75-8" Red Plastic18x650-8 91640 W130 4 360 432 1641"Flanged Bearing18x850-8 91660 W130 4 370 460 216A: 200mm B: 121mm C: 96mmD: 25.4mm 20x8.00-8 91680 W130 4 400 510 243BEARING/COLOUR OPTIONS FOR 91000 SERIESColour Options: Bearing Options:Grey Rim add G to code. (4" & 6" only) 16mm Flanged Bearing add A to code.Yellow Rim add Y to code. (4" & 6" only) 20mm Flanged Bearing add B to code. White Rim add W to code. (5" & 6" only) " Flanged Bearing add D to code. " Flanged Bearing add E to code. 15mm H/S BB add F to code.17mm H/S BB add I to code. 25mm H/S BB add H to code. (250-8" Wheels only)91560 91580 91620 480/400-8 480/400-8 16x650-890Here for the journey.'