The OE tire sizes for the BMW R 18 Classic / B (2021–present) are 120/70R19 front / 180/65B16 rear. Below are tires in these sizes, compared across brands. OE rim widths are F3.50 / R5.00 (from official specs; used for the rim-width check). OE sizes can differ by model year and market — the sidewall of your own bike is the sure reference. This is a Japanese-market lineup; the sizes themselves are international.

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Tires that cover front and rear (5 models)

Front + rear set: 5 models can cover both ends (matching sizes in bold, based on F=120/70R19 / R=180/65B16). Shop links search on the model name alone.

AvonCOBRA CHROME (AV91/AV92)CruiserStreet legalF ExactR Exact

Sizes and matching bikes for this tire

BridgestoneBATTLECRUISE H50CruiserStreet legalF ExactR Exact

Sizes and matching bikes for this tire

MichelinCOMMANDER III TOURINGCruiserStreet legalF ExactR Exact

Sizes and matching bikes for this tire

MetzelerCRUISETECCruiserStreet legalF ExactR Exact

Sizes and matching bikes for this tire

MetzelerME 888 MARATHON ULTRACruiserStreet legalF ExactR Exact

Sizes and matching bikes for this tire

Front 120/70R19 options (14 total, 5 of them listed in the set section above)

Size 120/70-19: 14 exact, 0 in the same group. Shop links carry each tire’s own matching size.

MetzelerROADTEC 02SportStreet legal

Sizes and matching bikes for this tire

MetzelerROADTEC 01 SESportStreet legal

Sizes and matching bikes for this tire

PirelliANGEL GT IIStandardStreet legal

Sizes and matching bikes for this tire

BridgestoneBATTLAX SPORT TOURING T33StandardStreet legal

Sizes and matching bikes for this tire

BridgestoneBATTLAX ADVENTURE A41StandardStreet legal

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MichelinROAD 6StandardStreet legal

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MichelinSCORCHER ADVENTUREStandardStreet legal

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MichelinCOMMANDER IICruiserStreet legal

Sizes and matching bikes for this tire

MichelinSCORCHER 11CruiserStreet legal

Sizes and matching bikes for this tire

Rear 180/65B16 options (8 total, 5 of them listed in the set section above)

Size 180/65-16: 8 exact, 0 in the same group. Shop links carry each tire’s own matching size.

ShinkoSR777CruiserStreet legal

Sizes and matching bikes for this tire

PirelliNIGHT DRAGONCruiserStreet legal

Sizes and matching bikes for this tire

MichelinSCORCHER 31CruiserStreet legal

Sizes and matching bikes for this tire

See also

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