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OE tire sizes for Triumph motorcycles

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OE tire sizes for 21 Triumph models. Each link opens the tires that fit that bike’s sizes.

These 21 models use 14 distinct front/rear size combinations. Bikes sharing a combination share the same candidate tires.

ModelYearsFrontRearOE rim F/R
Bonneville T100current as of Aug 2026, UK spec100/90-18150/70R172.75 / 4.25
Bonneville T120current as of Aug 2026100/90-18150/70R172.75 / 4.25
Daytona 6602025 model120/70ZR17180/55ZR173.50 / 5.50
Rocket 3 Storm R / GT2024–present150/80R17240/50R163.50 / 7.50
Scrambler 400 X2024–present100/90-19140/80-172.50 / 3.50
Scrambler 900current as of Aug 2026100/90-19150/70R172.50 / 4.25
Scrambler 1200 X / XE2024–present90/90-21150/70R172.15 / 4.25
Speed 400current as of Aug 2026110/70R17150/60R173.00 / 4.00
Speed Triple 1200 RScurrent as of Aug 2026120/70ZR17190/55ZR173.50 / 6.00
Speed Twin 900current as of Aug 2026100/90-18150/70R172.75 / 4.25
Speed Twin 1200 / RS2025–present120/70R17160/60R173.50 / 5.00
Street Triple 765 R / RS / Moto22023–present120/70ZR17180/55ZR173.50 / 5.50
TF 250-E / TF 450-Ecurrent as of Aug 202690/90-21140/80-181.60 / 2.15
TF 450-RC Edition2025 model80/100-21110/90-191.60 / 2.15
Tiger 900 GT / GT Procurrent as of Aug 2026100/90-19150/70R172.50 / 4.25
Tiger 900 Rally Procurrent as of Aug 202690/90-21150/70R172.15 / 4.25
Tiger 1200 GT Pro / GT Explorercurrent as of Aug 2026120/70R19150/70R183.00 / 4.25
Tiger 1200 Rally Pro / Rally Explorercurrent as of Aug 202690/90-21150/70R182.15 / 4.25
Tiger Sport 6602022–present120/70ZR17180/55ZR173.50 / 5.50
Tiger Sport 8002025–present120/70R17180/55R173.50 / 5.50
Trident 6602025 model120/70R17180/55R173.50 / 5.50

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.