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Home  >  Motorcycle tyres  >  90 / 90 21  >  CST  >  CST 90 / 90 21
Tyre size:
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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  CST   90/90  21     

search by size: 6 Results

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Commander II
Michelin Commander II
Michelin
Michelin
Commander II
90/90 -21 54H TT/TL M/C Front wheel

Tyre type

Chopper / Cruiser

TT = This tyre needs a tube

limited stock
Client reviews rating:
Client reviews rating

More than 5 billion kilometers. <span><em>Tyretest.com</em></span> offers over 430 000 tests firsthand - from consumers for consumers.

(8)
Average based on 8 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 driven969215
22.06.2024fromGlenn STREET
reassuring grip, great wear characteristics, good braking (with upgraded brakes) good ride &amp; feel, covered over 12,000 miles with tyre, only replaced after serious accident-damaged tyre, wheel/forks. braking performance combined with 4 piston PM brakes saved life after impact with front/side of Van. tyre still had even tread across tyre width- never had such good wear with Avon Cobra/Venom/Road runner etc
09.03.2019fromFrancois Schaut
Previously used the Bridgestone Exedra&#39;s. While these tires lasted long, their characteristics in wet weather was much to be desired off, especially in wet Irish weather. the Michelin Commanders are definitly a huge improvement in the bike stabillity with wet weather and roundabouts kan be taken with confidence without the rear of the bike slipping under wet conditions. Also brake stability much better, all in all a safer and more relaxed experiance with these tires, great road feedback!
08.11.2018fromC.smith
Since getting new tyres bike much more responsive and stable
06.05.2014fromDaz
Good tyre in general so far. Lacks feedback and confidence in the wet. Firm ride compared to Avon tyres. It will depend on longevity as to whether I buy again. If they do achieve double the mileage of my Avons, as advertised then I may consider buying again.
(8)

Reifentest.com

just  145.87 £
limited stock
Details
Michelin Anakee Adventure 2
Michelin
Michelin
Anakee Adventure 2
90/90 -21 54V TT/TL Front wheel

Tyre type

Sport Touring Diagonal

TT = This tyre needs a tube

available
just  146.33 £
available
Details
Anlas Capra R
Anlas
Anlas
Capra R
90/90 -21 54V TL Front wheel

Tyre type

Enduro

limited stock
just  147.22 £
limited stock
Details
Dunlop D404 F
Dunlop
Dunlop
D404 F
90/90 -21 54S TT M/C Front wheel

Tyre type

Chopper / Cruiser

TT = This tyre needs a tube

limited stock
Client reviews rating:
Client reviews rating

More than 5 billion kilometers. <span><em>Tyretest.com</em></span> offers over 430 000 tests firsthand - from consumers for consumers.

(6)
Average based on 6 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 driven238944
27.05.2022fromken
had a 3 week delay on shipping but was informed of the delay. all good in the hood. happy with price and tyre
18.10.2013fromp lear
good allround tyre
02.11.2009fromGray Barnes
Good all round tyre. Resists squaring off too quickly and hard wearing. I usually get around 12,000 km out of a set with mixed speed riding on a heavy cruiser.
14.05.2009fromA Williams (the daily grind)
Ride on Dunlop 404's front and rear - up to 6000 km's per month. Wouldn't want to risk a change to any other.
(6)

Reifentest.com

just  147.29 £
limited stock
Details
Cobra Chrome
Avon Cobra Chrome
Avon
Avon
Cobra Chrome
90/90 -21 54H TL Rear wheel M/C Front wheel

Tyre type

Chopper / Cruiser

limited stock
just  149.31 £
limited stock
Details
Shinko SR777
Shinko
SR777
90/90 -21 54H TL Front wheel

Tyre type

Chopper / Cruiser

available
Client reviews rating:
Client reviews rating

More than 5 billion kilometers. <span><em>Tyretest.com</em></span> 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 driven38104
(1)

Reifentest.com

just  151.78 £
available
Details
Anlas Winter Grip Plus
Anlas
Anlas
Winter Grip Plus
90/90 -21 54V TL Front wheel

Tyre type

Enduro

limited stock
Client reviews rating:
Client reviews rating

More than 5 billion kilometers. <span><em>Tyretest.com</em></span> 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 driven44154
30.04.2021fromDavid
Best tire by miles in the wet, confidence inspiring, good feedback, and even if it does let go, it does it progressively and smoothly. Doesn&#39;t deal with ice and/or snow as good as they look they would, but they will get you through it, just. better than others still. In the dry, it&#39;s quite possibly the worst. Handlebars vibrate quite a bit at speeds(only in dry), at 90+mph speeds all confidence is lost, somehow it provides less feedback in the dry as well. I personally use these tires from Oct to April, then swap it to normal tires, this way I have grip all year round.
(1)

Reifentest.com

just  155.31 £
limited stock
Details
Dunlop TRX Mission
Dunlop
Dunlop
TRX Mission
90/90 -21 54T TL M/C Front wheel

Tyre type

Enduro

limited stock
Client reviews rating:
Client reviews rating

More than 5 billion kilometers. <span><em>Tyretest.com</em></span> 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 driven53172
(2)

Reifentest.com

just  155.72 £
limited stock
Details
Shinko SR999
Shinko
SR999
90/90 -21 54H TL Front wheel

Tyre type

Chopper / Cruiser

limited stock
just  158.24 £
limited stock
Details
Dunlop Trailmax Mission
Dunlop
Dunlop
Trailmax Mission
90/90 -21 54T TL M/C Front wheel

Tyre type

Enduro

available
just  159.37 £
available
Details
Scorpion Rally STR
Pirelli Scorpion Rally STR
Pirelli
Pirelli
Scorpion Rally STR
90/90 -21 54V TL Front wheel

Tyre type

Enduro

available
Client reviews rating:
Client reviews rating

More than 5 billion kilometers. <span><em>Tyretest.com</em></span> offers over 430 000 tests firsthand - from consumers for consumers.

(7)
Average based on 7 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 driven1108944
29.11.2022fromAndy Velasquez
Amazing tyres!!! just got 19.000 kilometers on these tyres and after getting out from the workshop this week probably still have 4000 km more
28.03.2021fromDB
I have been impressed. They look offroad&#39;ish and to be honest haven&#39;t had a chance to test them off road, but, have worked fabulously well through the winter on wet slippy roads and now its drying out I am discovering their dry grip is excellent. They ride like a road tyre.
24.08.2019fromK. D. Foggo
Excellent tire for both on and off road. My last tire was the aggressive Hidenau K60, which is great off road and miserable on road. This tire was a super comprise.
07.08.2018fromAden Lamb
Great tyres both on and off road. Never been able to lock the front wheel on tarmac and only lock the front on dirt on purpose. Use a different tyre on the rear of my bike but its a really great front tyre.
(7)

Reifentest.com

just  163.87 £
available
Details
Shinko SR777 WW
Shinko
SR777 WW
90/90 -21 54H TL Front wheel

Tyre type

Chopper / Cruiser

available
Client reviews rating:
Client reviews rating

More than 5 billion kilometers. <span><em>Tyretest.com</em></span> 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 driven23202
(1)

Reifentest.com

just  186.36 £
available
Details
Shinko SR999
Shinko
SR999
90/90 -21 54H TL Front wheel

Tyre type

Chopper / Cruiser

limited stock
just  191.85 £
limited stock
Details
ME888 Marathon Ultra
Metzeler ME888 Marathon Ultra
Metzeler
Metzeler
ME888 Marathon Ultra
90/90 -21 54H TL M/C Front wheel

Tyre type

Chopper / Cruiser

limited stock
Client reviews rating:
Client reviews rating

More than 5 billion kilometers. <span><em>Tyretest.com</em></span> offers over 430 000 tests firsthand - from consumers for consumers.

(6)
Average based on 6 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 driven1524453
10.03.2024fromAdrian
Perfect tyres for all round riding
(6)

Reifentest.com

just  216.19 £
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

available
just  245.85 £
available
Details
Bridgestone TW47
Bridgestone
Bridgestone
TW47
90/90 -21 54S TT M/C variant G, Front wheel

Tyre type

Enduro

TT = This tyre needs a tube

available
just  372.32 £
available
Details
BW501
Bridgestone BW501
Bridgestone
Bridgestone
BW501
90/90 -21 54V TT M/C variant G, Front wheel

Tyre type

Enduro

TT = This tyre needs a tube

limited stock
Client reviews rating:
Client reviews rating

More than 5 billion kilometers. <span><em>Tyretest.com</em></span> 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 driven431400
25.06.2014fromDavid
before getting to the wear marks it tend to puncture more.
(2)

Reifentest.com

just  396.40 £
limited stock
Details
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