Motorcycle Scooter Tire Guide 2026 Edition MICHELIN 177

Dimensions in mm Dimensions in inches

50 / 100 2 . 00

60 / 100 2 . 25

70 / 100 2 . 50

80 / 80 2 . 75

80 / 90 2 . 75 - 3 . 00

90 / 90 3 . 00 - 3 . 25 - 3 . 60

100 / 90 3 . 50 - 4 . 10

110 / 90 4 . 00 - 4 . 10 - 4 . 60

120 / 80 4 . 25 - 4 . 50 - 4 . 60

120 / 90 4 . 25 - 4 . 50

130 / 80 4 . 50 - 4 . 60 - 5 . 10

130 / 90 4 . 50 - 4 . 60 - 5 . 10

140 / 80 4 . 50 - 5 . 10 - 5 . 50

140 / 90 5 . 10 - 5 . 50

ENDURO MOTOCROSS

90 / 90 - 21 80 / 100 - 21

120 / 80 - 19 100 / 90 - 19

130 / 70 - 19 110 / 90 - 19

120 / 90 - 18 100 / 100 - 18

130 / 80 - 18 110 / 100 - 18

140 / 80 - 18 120 / 90 - 18

The alphanumeric system is still used on certain HARLEY - DAVIDSON

®

and other American custom bike tires .

Alphanumeric size markings Metric size markings

MH90 80 / 90

MJ90 90 / 90

MM90 100 / 90

MN90 110 / 90

MP85 110 / 90

MR90 120 / 90

MT90 130 / 90

MU85 / MU90 140 / 90

MV85 150 / 80 150 / 90

ALL TYPES OF DIAGONAL

ARCHITECTURE TIRES

Dimensional Equivalence

OFF - ROAD

DIMENSIONAL

EQUIVALENCE

• For the MICHELIN Enduro and

MICHELIN Desert ranges , the size

designation is based on the width of

the tire measured at the widest point

of the tread .

• For the MICHELIN StarCross 6 ,

MICHELIN Tracker , MICHELIN Trial

Light ranges , the size designation

is based on the width of the tire

measured at the widest point of the

sidewall .

• A 140 / 80 - 18 MICHELIN Enduro

Medium

2

therefore corresponds to a

120 / 90 - 18 MICHELIN StarCross 6 size .

The width of Motocross tires is measured

at the level of the base of the tread blocks

while for Enduro tires it is

measured by the overall

dimension at the widest

point which is the top of

the tread blocks

TECHNICAL DATA I GENERAL INFORMATION ABOUT TIRES