BMW R100 GS E88 (1987-1990)manufacturer fact
Bridgestone lists this exact BT-45 pair for the R100GS.
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Field Knowledge · Tyre Library
Bridgestone BATTLAX BT-45
Bridgestone published the BT-45 as a road tyre and listed an exact BMW R100GS fitment pair.
2 published sizes
1 front · 1 rear
discontinued
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
- 90/90-21 54Hbias
Approved rim range not published · tubeless
Rear
- 130/80-17 65Hbias
Approved rim range not published · tubeless
Check the complete fit
Choose your bike and year
Honda CRF250L · 2016
No matching front and rear pair
No complete front and rear size pair in this tyre range matches the selected bike and year.
Motorcycle front
3.00-21 51P
No matching published front size
Motorcycle rear
120/80-18M/C 62P
No matching published rear size
Still needs checking: construction, load rating, any manufacturer restrictions, approved rim width, speed rating, a named tyre match.
Bikes that use the same front and rear sizes
BMW R100 GS E88 · 1987BMW R100 GS E88 · 1988BMW R100 GS E88 · 1989BMW R100 GS E88 · 1990BMW R100 GS E91 · 1990BMW R100 GS E91 · 1991BMW R100 GS E91 · 1992BMW R100 GS E91 · 1993BMW R100 GS E91 · 1994BMW R100 GS Paris-Dakar E88 · 1989BMW R100 GS Paris-Dakar E88 · 1990BMW R100 GS Paris-Dakar E91 · 1990BMW R100 GS Paris-Dakar E91 · 1991BMW R100 GS Paris-Dakar E91 · 1992BMW R100 GS Paris-Dakar E91 · 1993BMW R100 GS Paris-Dakar E91 · 1994
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.
BMW R100 GS E91 (1990-1994)manufacturer fact
Bridgestone lists this exact BT-45 pair for the R100GS.
BMW R100 GS Paris-Dakar E88 (1989-1990)manufacturer fact
Bridgestone lists this exact BT-45 pair for the R100GS.
BMW R100 GS Paris-Dakar E91 (1990-1996)manufacturer fact
Bridgestone lists this exact BT-45 pair for the R100GS.
A reported or original-equipment tyre is not automatically suitable for every year, market, rim or alternative size. Check the exact front and rear result above.
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
Sealed roadsWet roadsMaintained gravelLoose gravelCorrugationsDeep sandMudLoose rockDifficult trailsSnowIce
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.