The OE tire sizes for the Honda CRF150R (17/14) (2020 model) are 70/100-17 front / 90/100-14 rear. Below are tires in these sizes, compared across brands. OE rim widths for this bike are not on file, so no rim-width badges appear. 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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Front + rear set: 5 models can cover both ends (matching sizes in bold, based on F=70/100-17 / R=90/100-14). Shop links search on the model name alone. “Narrower” means one or two steps below the OE size. “Rim width OK” means the tire maker’s published rim widths line up with the OE rim width. No badge means we could not confirm it; combinations we found to be wrong are left out entirely.
Dunlop calls it a “wide-range hard” tire, “covering hard through medium surfaces.” Not street legal.
Sizes: F 70/100-17, 70/100-19, 80/100-21, 90/100-21 / R 90/100-14, 90/100-16, 110/90-18, 120/90-18, 110/90-19, 120/80-19
Dunlop calls it a “wide-range medium-hard,” “covering medium through hard surfaces.” Not street legal.
Sizes: F 60/100-10, 60/100-12, 60/100-14, 70/100-17, 70/100-19, 80/100-21 / R 70/100-10, 80/100-12, 90/100-14, 90/100-16, 100/100-18, 110/100-18, 120/90-18, 100/90-19, 110/90-19, 120/80-19, 120/90-19
Dunlop calls it a “wide-range medium,” for medium surfaces broadly. Not street legal.
Sizes: F 60/100-10, 60/100-12, 60/100-14, 70/100-17, 70/100-19, 80/100-21 / R 70/100-10, 80/100-12, 90/100-14, 90/100-16, 100/100-18, 110/100-18, 120/90-18, 100/90-19, 110/90-19, 120/80-19, 120/90-19
Dunlop calls it a “wide-range soft,” “covering mud through medium surfaces.” Replaces the MX33, which is no longer in the official lineup. Not street legal.
Sizes: F 60/100-12, 60/100-14, 70/100-17, 70/100-19, 80/100-21 / R 70/100-10, 80/100-12, 90/100-14, 90/100-16, 100/100-18, 110/100-18, 120/90-18, 100/90-19, 110/90-19, 120/80-19, 120/90-19
Pirelli claims “peak performance on soft to mid-soft ground — mud, sand, grass, dry dirt.” A revised New MX32 Mid-Soft is sold alongside it. Competition only (NHS).
Sizes: F 2.50-10, 60/100-12, 60/100-14, 80/100-14, 70/100-17, 70/100-19, 80/100-21 / R 2.75-10, 80/100-12, 90/100-14, 90/100-16, 110/90-17, 100/90-19, 70/100-19
Size 70/100-17: 5 exact, 3 in the same group. 6 with no size data on file are out of scope. Shop links carry each tire’s own matching size.
IRC states it plainly: “OE tire on the Honda Cross Cub 110 / CT125.” 80/90-17 front and rear, in both tube (WT) and tubeless (TL) — pick the one that matches your wheel.
Sizes: F 80/90-17 / R 80/90-17
IRC positions it above the OE GP-5: “more off-road capability, strong on both paved and unpaved roads.” A single 80/90-17 shared front/rear, aimed at the Cross Cub 110 / CT125. A separate entry from the 21-inch GP-21/GP-22 series.
Sizes: 80/90-17 (front/rear split not stated officially)
The road-leaning trail tire; Dunlop cites “stability on pavement and wear resistance.”
Sizes: F 110/80-14, 80/90-17, 2.75-21, 3.00-21 / R 130/70-13, 80/90-17, 120/80-18, 4.10-18, 4.60-18
Size 90/100-14: 6 exact, 0 in the same group, 1 narrower. 6 with no size data on file are out of scope. Shop links carry each tire’s own matching size. “Narrower” means one or two steps below the OE size. “Rim width OK” means the tire maker’s published rim widths line up with the OE rim width. No badge means we could not confirm it; combinations we found to be wrong are left out entirely.
Dunlop calls it a “wide-range sand,” for mud through sand. Unusually broad size range, 10 to 19 inch. Not street legal.
Sizes: R 70/100-10, 80/100-12, 90/100-14, 90/100-16, 110/100-18, 100/90-19, 110/90-19, 120/80-19
The rear companion: IRC's OE fitment list includes the Cross Cub 50 and the Super Cub PRO family. Two sizes, 80/100-14 (the Cross Cub 50's rear size) and 2.75-14.
Sizes: R 2.75-14, 80/100-14