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Home  >  Motorcycle tyres  >  90 / 100 21  >  Bridgestone  >  Bridgestone 90 / 100 21
Tyre size:
What tyre size do you require?
The exact size of a tyre can be found on its sidewall.
The following chart shows you how to read a tyre size.
1. Overall tire width in mm
2. Ratio of tire height to tire width in%
3. Tire design: ''R'' = radial tires (widely used), ''D'' or ''-'' = diagonal tires (rare)
4. Required rim diameter for this tire in inches
5. Key figure for tire load capacity
6. Key figure for the permissible maximum speed (speed index)
7. Motorcycle tire identification, tires only approved for motorcycles
8. DOT labeling
9. Date of manufacture of the tire (week of production / year of production)
 
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SPEED INDEX:
The speed index indicates the maximum speed intended for the tyre. Up to this value, the manufacturer guarantees optimum operation with the appropriate tyre pressure. The maximum speed allowed for this vehicle is given in the vehicle owner's manual; this information can be used to select the appropriate speed index for the tyre. The speed index is the last mark on the sidewall of the tyre.
 

Our offer for  Bridgestone    90/100  21     

search by size: 3 Results

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Mitas Terra Force-EF
Mitas
Mitas
Terra Force-EF
90/100 -21 57R TT Front wheel

Tyre type

Enduro

TT = This tyre needs a tube

available
just  112.19 £
available
Details
MCE6 Days Extreme
Metzeler MCE6 Days Extreme
Metzeler
Metzeler
MCE6 Days Extreme
90/100 -21 57R TT M/C Front wheel

Tyre type

Enduro

TT = This tyre needs a tube

limited stock
just  118.81 £
limited stock
Details
There are 2 of 30 tyres displayed
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