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Home  >  Motorcycle tyres  >  90 / 90 21  >  Bridgestone Tyres  >  Bridgestone 90 / 90 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)
 
/
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   90/90  21     

search by size: 9 Results

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Show all the tyres in the selected size
CST CM-A4
CST
CST
CM-A4
90/90 -21 54H TL Front wheel

Tyre type

Enduro

available
just  74.74 £
available
Details
Eurogrip Trailhound Wild
Eurogrip
Trailhound Wild
90/90 -21 54V TL Front wheel

Tyre type

Enduro

available
just  74.83 £
available
Details
Michelin Tracker
Michelin
Michelin
Tracker
90/90 -21 54R TT M/C Front wheel

Tyre type

Motocross

TT = This tyre needs a tube

available
Client reviews rating:
Client reviews rating

More than 5 billion kilometers. Tyretest.com offers over 430 000 tests firsthand - from consumers for consumers.

(1)
Average based on 1 test results  N/A
Grip in dry conditions
Braking in dry conditions
Grip in wet conditions
Braking in wet conditions
Grip in snow
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven11154
(1)

Reifentest.com

just  74.85 £
available
Details
Heidenau K60
Heidenau
Heidenau
K60
90/90 -21 54T TT M/C Front wheel

Tyre type

Enduro

TT = This tyre needs a tube

available
Client reviews rating:
Client reviews rating

More than 5 billion kilometers. Tyretest.com offers over 430 000 tests firsthand - from consumers for consumers.

(27)
Average based on 27 test results  N/A
Grip in dry conditions
Braking in dry conditions
Grip in wet conditions
Braking in wet conditions
Grip in snow
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven1341316
04.03.2019fromTomaz
Very good milege 16k km regional roads, country trails soft offroad, very good for dualsport, noisy when cornering. Grip is good, when it goes does not slip all the way. The front tyre could have a little more braking power on pawed road and back tyre could have softer compound on sides.
28.09.2015fromsteveR
This tyre last better than a TKC80 and in anything other than mud, are as good gripwise, at least on the rear! Wear suffers, even on a lightweight, with a laden bike in hotter conditions I found.
25.02.2015fromChris Gilbert
This tyre has given me lots of confidence on and off road. There is ample grip on the rough and gives a smooth safe feel on the road.
08.06.2014fromJohn Miller
Brilliant tyres
(27)

Reifentest.com

just  74.95 £
available
Details
Michelin Anakee Street
Michelin
Michelin
Anakee Street
90/90 -21 54T TL M/C Front wheel

Tyre type

Sport Touring Diagonal

available
just  76.07 £
available
Details
Mitas Enduro Trail +
Mitas
Mitas
Enduro Trail +
90/90 -21 54T TT/TL Front wheel

Tyre type

Enduro

TT = This tyre needs a tube

limited stock
just  76.20 £
limited stock
Details
Mitas Terra Force-EF
Mitas
Mitas
Terra Force-EF
90/90 -21 54R TT Front wheel

Tyre type

Enduro

TT = This tyre needs a tube

limited stock
just  76.89 £
limited stock
Details
Rebel XStar 01
Rebel
XStar 01
90/90 -21 54P TT

Tyre type

Enduro

TT = This tyre needs a tube

available
just  78.57 £
available
Details
Heidenau K60
Heidenau
Heidenau
K60
90/90 -21 54T TT M/C Front wheel

Tyre type

Enduro

TT = This tyre needs a tube

available
Client reviews rating:
Client reviews rating

More than 5 billion kilometers. Tyretest.com offers over 430 000 tests firsthand - from consumers for consumers.

(27)
Average based on 27 test results  N/A
Grip in dry conditions
Braking in dry conditions
Grip in wet conditions
Braking in wet conditions
Grip in snow
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven1341316
04.03.2019fromTomaz
Very good milege 16k km regional roads, country trails soft offroad, very good for dualsport, noisy when cornering. Grip is good, when it goes does not slip all the way. The front tyre could have a little more braking power on pawed road and back tyre could have softer compound on sides.
28.09.2015fromsteveR
This tyre last better than a TKC80 and in anything other than mud, are as good gripwise, at least on the rear! Wear suffers, even on a lightweight, with a laden bike in hotter conditions I found.
25.02.2015fromChris Gilbert
This tyre has given me lots of confidence on and off road. There is ample grip on the rough and gives a smooth safe feel on the road.
08.06.2014fromJohn Miller
Brilliant tyres
(27)

Reifentest.com

just  78.70 £
available
Details
Shinko E804
Shinko
E804
90/90 -21 54T TL Front wheel

Tyre type

Enduro

limited stock
just  78.95 £
limited stock
Details
Dunlop Geomax AT 81 F
Dunlop
Dunlop
Geomax AT 81 F
90/90 -21 54M TT M/C Front wheel

Tyre type

Motocross

TT = This tyre needs a tube

limited stock
just  79.18 £
limited stock
Details
Pirelli MT21 Rallycross
Pirelli
Pirelli
MT21 Rallycross
90/90 -21 54R TT M/C Front wheel

Tyre type

Enduro

TT = This tyre needs a tube

available
Client reviews rating:
Client reviews rating

More than 5 billion kilometers. Tyretest.com offers over 430 000 tests firsthand - from consumers for consumers.

(1)
Average based on 1 test results  N/A
Grip in dry conditions
Braking in dry conditions
Grip in wet conditions
Braking in wet conditions
Grip in snow
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven435545
14.05.2008fromKevin Holden
These tyres are a soft compound and wear quickly if used on the road.
(1)

Reifentest.com

just  79.72 £
available
Details
CST CM-EX02F
CST
CST
CM-EX02F
90/90 -21 54R TL Front wheel

Tyre type

Enduro

available
just  80.09 £
available
Details
Rebel Xplorer 01
Rebel
Xplorer 01
90/90 -21 54H TT/TL

Tyre type

Enduro

TT = This tyre needs a tube

available
just  80.19 £
available
Details
Terra Force-MX MH
Mitas Terra Force-MX MH
Mitas
Mitas
Terra Force-MX MH
90/90 -21 54M TT Front wheel NHS

Tyre type

Motocross

TT = This tyre needs a tube

limited stock
just  81.63 £
limited stock
Details
Terra Force-MX SM
Mitas Terra Force-MX SM
Mitas
Mitas
Terra Force-MX SM
90/90 -21 54M TT Front wheel NHS

Tyre type

Motocross

TT = This tyre needs a tube

limited stock
just  82.31 £
limited stock
Details
Maxxis M-7325
Maxxis
Maxxis
M-7325
90/90 -21 54R TT Front wheel

Tyre type

Enduro

TT = This tyre needs a tube

available
just  82.44 £
available
Details
Maxxis M6017
Maxxis
Maxxis
M6017
90/90 -21 54H TL Front wheel

Tyre type

Enduro

available
just  82.73 £
available
Details
Michelin Enduro Medium 2
Michelin
Michelin
Enduro Medium 2
90/90 -21 54R TT

Tyre type

Enduro

TT = This tyre needs a tube

limited stock
just  83.82 £
limited stock
Details
MEFO Sport MFC15
MEFO Sport
MFC15
90/90 -21 54S TT

Tyre type

Motocross

TT = This tyre needs a tube

available
just  84.58 £
available
Details
Heidenau K69
Heidenau
Heidenau
K69
90/90 -21 54M TT M/C Front wheel

Tyre type

Motocross

TT = This tyre needs a tube

limited stock
just  85.02 £
limited stock
Details
Mitas Enduro Trail
Mitas
Mitas
Enduro Trail
90/90 -21 54H TT/TL Front wheel

Tyre type

Enduro

TT = This tyre needs a tube

limited stock
just  85.80 £
limited stock
Details
Mitas Enduro Trail-Rally PRO
Mitas
Mitas
Enduro Trail-Rally PRO
90/90 -21 54R TT Front wheel

Tyre type

Enduro

TT = This tyre needs a tube

limited stock
just  86.55 £
limited stock
Details
MEFO Sport MFC14
MEFO Sport
MFC14
90/90 -21 54S TT

Tyre type

Motocross

TT = This tyre needs a tube

available
just  86.76 £
available
Details
Terra Force-MX SM
Mitas Terra Force-MX SM
Mitas
Mitas
Terra Force-MX SM
90/90 -21 54M TT Front wheel NHS

Tyre type

Motocross

TT = This tyre needs a tube

limited stock
just  87.41 £
limited stock
Details
Terraforce-R
Mitas Terraforce-R
Mitas
Mitas
Terraforce-R
90/90 -21 54V TT/TL Front wheel

Tyre type

Enduro

TT = This tyre needs a tube

limited stock
Client reviews rating:
Client reviews rating

More than 5 billion kilometers. Tyretest.com offers over 430 000 tests firsthand - from consumers for consumers.

(2)
Average based on 2 test results  N/A
Grip in dry conditions
Braking in dry conditions
Grip in wet conditions
Braking in wet conditions
Grip in snow
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven286722
21.01.2025fromJustin rowe
Done tour round Spain and france tyre destroyed in 1200 mile. Shockingly bad will not ever waste my money again
(2)

Reifentest.com

just  87.74 £
limited stock
Details
Heidenau K60 Ranger
Heidenau
Heidenau
K60 Ranger
90/90 -21 54R TL M/C Front wheel

Tyre type

Enduro

limited stock
just  87.74 £
limited stock
Details
Continental TKC 80 Twinduro
Continental
Continental
TKC 80 Twinduro
90/90 -21 54T TL M/C Front wheel

Tyre type

Enduro

available
Client reviews rating:
Client reviews rating

More than 5 billion kilometers. Tyretest.com offers over 430 000 tests firsthand - from consumers for consumers.

(26)
Average based on 26 test results  N/A
Grip in dry conditions
Braking in dry conditions
Grip in wet conditions
Braking in wet conditions
Grip in snow
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven2021250
14.07.2025fromPhil Duckles
Have used the tyres both on road and off road. The tyres are more capable than I am as a rider therefore dealt easily with everything I have put them through with ease.
13.03.2023fromMichael
Tyres were purchased to do some green lane riding. These are very suitable for the purpose and handle as good as road tyres when in the tarmac. Only downside is that you get around 3000 miles out of a rear tyre and it’s done!
29.10.2022fromLewis
This tyre has been great. After initial fitting the steering was a bit strange but after 50-100 miles it felt like a road tyre. Great off road and one of the best knobbly tyres on the road. Done 10500km on the tyre, only have the tkc80 on the front. I have a 70 rocks on the rear. I believe the front will do another rear. Tyre was great but the delivery time from the provider was shocking
10.03.2022fromFrank Delacoe
Pretty good, no grip issue's
(26)

Reifentest.com

just  87.88 £
available
Details
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