1. IS THE WIDTH OF THE TYRE IN INCHES 
2. IS THE INNER DIAMETER OF THE WHEEL SHOWN IN INCHES 
3. IS THE CASING STRENGTH ( TOTAL PLY RATING ) 
4. IS THE AVERAGE WIDTH OF THE TYRE SHOWN IN MILLIMETRES ( MM ) 
5. IS AN ASPECT RATIO AND IN THIS EXAMPLE MEANS THAT THE HEIGHT OF THE TYRE IS 90% OF ITS WIDTH 
6. IS A LOAD INDEX, NOT THE ACTUAL LOAD RATE. THE HIGHER THE INDEX THE HEAVIER THE LOAD ALLOWABLE 
     54 FOR EXAMPLE WILL HOLD A LOAD OF 212 kgs 
7. MAXIMUM SPEED RATING REPRESENTED BY A LETTER. J FOR EXAMPLE IS THE USUAL SCOOTER RATING 62 MPH

TYRE FITMENT
350 X 8   
                    150 SUPER , SPORTIQUE ETC 
400 X 8   
                    LAMBRETTA LD , TRAILER TYRE 
275 X 10 
                    HONDA VISION + 300X10 + 350X10 
300 X 10 

                    V50 , 90 , 100 , PRIM , ET3 , ETS , PK , PKXL ( ALL FRONT AND REAR ) 
                    S 50/80, VAMOS 25/50, PONY 50, TARGET 50, STAR 50/80, COMET 50/80,         
                    GALAXY 50/90, LIDO 50, CS 50, CP 50, CR 50Z, FANCY 50, FREE 50. 
350 X 10 
                    PX , PE , T5 , T5 CLASSIC , LML, RALLY , GT/GTR,GS,GL,SPRINT,LAMBRETTA ( ALL FRONT AND REAR ) 
                    CHETAK 125/150, S 125, PASSING, DIANA, PONY SR 50, 50 GSA, SA 50 VISION, 
                    ST 50/70, ZB 50, NH 50/80/125, CH 125, CALYPSO 125, HEROISM 150, FLAME 125, PEUGUOT V CLIC,
                    SC 80 L, LIDO 80/125, REXY 125, CS 80, AN125, XC 125, RIVA 125. YAMAHA XC 125 2001 FRONT + REAR 
400 X 10 
                    TRADITIONAL LAMBRETTA UP GEAR TYRE, HEINKEL. 
80/90 X 10 
                    YAMAHA VINO and JOG 2001 FRONT + REAR 
90/90 X 10 
                    SFERA PRE 1993 FRONT AND REAR , SFERA 1994 FRONT , ZIP , ZEST,( 3.00X10 EQUIVALENT ) 
                    CITY 50, EASY MOVING 50, SFX 50, TORPEDO 50, HEROISM 50, EVOLIS 50, ZENITH 50 M, 
                    SV 50, GALAXY 90, AH 50, AJ50, YE 50/80 ZEST, JOG Z 50, AXIS 90, 
100/80 X 10 
                    SFERA 1994 REAR , SKIPPER FRONT , ET2/ET4 FRONT , ZIP 50 BASE/SP, QUARTZ, VAMOS 
                    CY 50, SXR 50, F10, FORTE 50, STING 50, AP 50 S, YA 50, AXIS 50, YE 80 ZEST. 
100/90 X 10 
                    COSA FRONT AND REAR , BALI , AMICO , YESTERDAY ( 3.50X10 NEAREST EQUIVALENT ) 
                    AMICO,SONIC 50,JOKER 50/90,VELOCIFERO 50,FIZZ 50,ZENITH,SV 
                    ADDRESS,YM 50,XC 125 
110/80 X 10 
                    SKIPPER REAR , HEXAGON FRONT, SFERA 50/80 RST REAR, ET2 REAR, (WIDE 350 x 10) 
120/70 X 10 
                    ET2/ET4 REAR ( ALSO 120/80X10 ), ZIP (WIDE 350 x 10) , VESPA LX2/4 50 REAR.
120/90 X 10 
                    TYPHOON FRONT AND REAR , STALKER, QUADRA 50 .( 450X10 NEAREST EQUIVALENT ) 
                    RALLY 50,YANKEE 50,BOOSTER, BUXY 50 FRONT, SQUAB 50 FRONT, BWS FRONT. 
130/70 X 10 
                    HEXAGON REAR , SFERA RST REAR 
130/90 X 10 
                    BWS REAR , ALIEN 50,CROSSER CR1 REAR, BOOSTER 50, ( 5.00X10 NEAREST EQUIVALENT ) 
                    BUXY 50/RS REAR, SQUAB 50 REAR, BIG MAX 50, PMX 50, ZUMA 11 REAR. 
140/90 X  10   
                    HIGH GEARING TYPHOON AND BWS 
120/70 X 11  
                    DRAGSTER FORMULA 50/125/180 FRONT - SUPER HEXAGON GTX125/250 FRONT 
130/70 X 11  
                    SUPER HEXAGON GTX 125/250 REAR 
120/70 X 12 
                    SKIPPER 125/150 LX/ST FRONT, SKR 125 LX, GULLIVER 50 / LC , LEONARDO 125 FRONT, 
                    491 FRONT, K2 FRONT, EPPELLA 50 SPORT, FANTIC SPIKE 50 , RUNNER 50/125/180 FRONT 
                    HYPER 125/150 FRONT, K12, COBRA 50 RACER, PHANTOM, BOOSTER 50 ROCKET FRONT, 
                    OVETTO 50 FRONT, SKYLINER 50 FRONT, SPEEDDRAKE 50 FRONT, ELSEE 50/125/150 FRONT 
                    BIB MAX 50/90 FRONT, TORNADO 50 FRONT, SPEEDFIGHT 50 FRONT, KANTANA AY 50 FRONT 
                    TR 50 FRONT, NEO'S 50 FRONT, YP 125 FRONT, A.D.I.GT 50/100, GIRELLI SPIKE 50 FRONT, 
                    KYMCO EGO 250 FRONT, MILLENNIUM 125/150 FRONT, ELYSEO 125P FRONT + REAR, FLY 50/125,
                    T REX 125 FRONT, MBK XN125 FRONT + REAR, MBK YP125R SKYLINER FRONT VESPA GT FRONT,
                     PIAGGIO LX4 125 FRONT AND REAR.
130/70 X 12 
                    SKIPPER LX /ST REAR, PEUGEOT, LEONARDO 125/150 FRONT, LEONARDO 250 FRONT + REAR, 
                    HACKER 50 REAR,491 REAR, ADIVA 150 REAR, T REX 125 REAR, PIAGGIO X8 REAR,
                    K2 REAR, GIRELLI SPIKE 50 REAR, RUNNER 50/125  REAR, FES 125 PANTHEON REAR 
                    FE 250 FORESIGHT REAR, HYPER 125/150 REAR, BOOSTER 50 ROCKET REAR, 
                    OVETTO 50 REAR, SKYLINER 125 REAR, SPEEDRAKE 50 REAR, ELYSEE 50/125/150 REAR, 
                    SPEEDFIGHT 50 (AIR COOLED) REAR, BIG MAX 50/90 SPORT REAR, TORNADO 50 REAR, 
                    KANTANA AY 50 REAR, TR 50 REAR, NEO'S 50 REAR, YP MAJESTY 125/250 REAR, 
                    FORMULAR 50/125 REAR, MILLENNIUM 125/150 REAR, DRAGSTER 180 REAR., VESPA GT REAR.
140/70 X 12 
                    SPEEDFIGHT 50 LC REAR, SPEEDFIGHT 100, LEONARDO 125/150 REAR, 
130/60 X 13 
                    PIAGGIO NRG 50, STORM , APRILIA SR 50, CAT 50/125, CHRONO 50/2, ARK, PROGRESS, 
                    FURAX 50, AVENTURA 50, HUNTER 50 FRONT, MXR 50 FRONT, MANHATTEN, RUNNER 180 REAR 
                    PADDOCK 50, EMR 50 TD,  NITRO 50 FRONT, SYNCRO 50, AEROX 50 FRONT, 
                    MBK NITRO 100 FRONT MADDISON 250    REAR. 
140/60 X 13 
                    HONDA X8R-S, MBK NITRO 100 REAR, PIAGGIO X9 250cc REAR. 
120/70 X 14 
                    GILERA DNA 125/180 FRONT, PIAGGIO X9 125 FRONT, PIAGGIO X9  250/500 FRONT,
                    PIAGGIO X8 FRONT, YAM XP 500 Tmax FRONT. 
140/60 X 14  
                    GILERA DNA 125/180 REAR, PIAGGIO X9, APRILIA ATLANTIC 500 REAR. 
140/70 X 14  
                    PIAGGIO X9 500cc REAR.