Field Knowledge · Tyre Library
Metzeler Karoo Street
Metzeler positions the Karoo Street as a knobbly adventure tyre with strong road performance and dirt traction.
11 published sizes
5 front · 6 rear
current
Front and rear options
Available sizes
These are the front and rear sizes published for this tyre. Choose your motorcycle and year below to check the complete fit.
Front
- 100/90-19 57Vbias
Approved rim range not published · tubeless
- 110/80R19 59Vradial
Approved rim range not published · tubeless
- 120/70R19 60Vradial
Approved rim range not published · tubeless
- 90/90-21 54Vbias
Approved rim range not published · tubeless
- 90/90-21 54Hbias
Approved rim range not published · tube required
Rear
- 140/80R17 69Vradial
Approved rim range not published · tubeless
- 150/70R17 69Vradial
Approved rim range not published · tubeless
- 170/60R17 72Vradial
Approved rim range not published · tubeless
- 180/55R17 73Vradial
Approved rim range not published · tubeless
- 120/80-18 62Hbias
Approved rim range not published · tube required
- 150/70R18 70Vradial
Approved rim range not published · tubeless
Check the complete fit
Choose your bike and year
BMW F850GS · 2021
Sizes match, but more needs checking
Matching front and rear sizes exist, but some motorcycle requirements or the front-and-rear pairing still need confirmation.
Motorcycle front
90/90-21
90/90-21, 90/90-21
Motorcycle rear
150/70-17
150/70R17
Front and rear pair checked
Front 90/90-21 · Rear 150/70R17
The individual sizes are listed, but the front and rear combination has not been confirmed. Matching-looking sizes do not establish the pair.
How this comparison was made
Comparison method tyre-fitment-v1
Front checks · more needs checking
Front or rear position
Your bike needs front
This tyre: front
Tyre position must match the wheel position.
Sizing system
Your bike needs metric
This tyre: metric
The sizing system must match unless a checked conversion applies.
Width
Your bike needs 90
This tyre: 90
The width or complete older-style size must match the motorcycle information.
Aspect ratio
Your bike needs 90
This tyre: 90
Metric aspect ratio or the complete legacy designation must match.
Rim diameter
Your bike needs 21
This tyre: 21
Rim diameter must match exactly.
Approved rim range
Your bike needs Not established
This tyre: Not established–Not established
The vehicle rim width must sit inside the tyre manufacturer's approved range.
Load index
Your bike needs Not established
This tyre: 54
The tyre load rating must meet or exceed the motorcycle minimum.
Speed rating
Your bike needs Not established
This tyre: V
The tyre speed rating must meet or exceed the motorcycle minimum.
Construction
Your bike needs Not established
This tyre: bias
The motorcycle information must allow this tyre construction.
Tube or tubeless rule
Your bike needs not confirmed
This tyre: tubeless
Tube and tubeless requirements must be compatible.
Manufacturer restriction
Your bike needs none found
This tyre: not confirmed
Check any motorcycle-maker restrictions before fitting this tyre.
Source information
Your bike needs checked source information
This tyre: tyre record: reviewed · bike information: still being checked
The tyre and motorcycle information both need checked sources.
Rear checks · more needs checking
Front or rear position
Your bike needs rear
This tyre: rear
Tyre position must match the wheel position.
Sizing system
Your bike needs metric
This tyre: metric
The sizing system must match unless a checked conversion applies.
Width
Your bike needs 150
This tyre: 150
The width or complete older-style size must match the motorcycle information.
Aspect ratio
Your bike needs 70
This tyre: 70
Metric aspect ratio or the complete legacy designation must match.
Rim diameter
Your bike needs 17
This tyre: 17
Rim diameter must match exactly.
Approved rim range
Your bike needs Not established
This tyre: Not established–Not established
The vehicle rim width must sit inside the tyre manufacturer's approved range.
Load index
Your bike needs Not established
This tyre: 69
The tyre load rating must meet or exceed the motorcycle minimum.
Speed rating
Your bike needs Not established
This tyre: V
The tyre speed rating must meet or exceed the motorcycle minimum.
Construction
Your bike needs Not established
This tyre: radial
The motorcycle information must allow this tyre construction.
Tube or tubeless rule
Your bike needs not confirmed
This tyre: tubeless
Tube and tubeless requirements must be compatible.
Manufacturer restriction
Your bike needs none found
This tyre: not confirmed
Check any motorcycle-maker restrictions before fitting this tyre.
Source information
Your bike needs checked source information
This tyre: tyre record: reviewed · bike information: still being checked
The tyre and motorcycle information both need checked sources.
Still needs checking: construction, source information, load rating, any manufacturer restrictions, front and rear pairing, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
Bikes that use the same front and rear sizes
The sizes match, but that alone does not confirm fitment. Open a bike to check every requirement.
Motorcycle reports
Where this tyre has been used
These reports connect this tyre with a named motorcycle. Check the year, source and note before treating a report as relevant to your bike.
No named motorcycle report is listed for this tyre yet. Use the bike-and-year check above to compare the published sizes, and treat anything still missing as unconfirmed.
Tests and rider reports
What we know
Compare the tyre maker’s description with independent tests and rider reports. Each report keeps its motorcycle, conditions, date and limitations so you can judge how closely it matches your ride.
Independent tests
Observed performance from a named editorial test, tied to its vehicles, conditions and date.
No checked independent tests are available for this tyre model yet.
Rider reports
Reported experience, not a manufacturer fact or a Breakstate promise.
No checked rider reports are available for this tyre model yet.
Conditions we still need information for
Where this tyre has been used on a route
No route-specific report is listed for this tyre yet. General condition reports are not presented as proof for a particular route.