Zero FX Tire Size
The Zero FX takes a 90/90-21 front tire and a 120/80-18 rear tire.
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Key takeaways
- Front tire: 90/90-21.
- Rear tire: 120/80-18.
- Any tire made in the same size fits - shop across brands on price and grip.
- Covers 2015-2023 (size changed across years - see table).
Verified fitLast checked
Sources: bikez.com motorcycle specifications
Reviewed by the CrankDex editorial team against manufacturer and retailer fitment data.
Buy tires for your Zero FX
These are the OEM sizes. Any tire made in the same size fits the rim - so you can shop across brands (Michelin, Dunlop, Pirelli, Shinko, and more) on price, grip, and mileage. Replace front and rear as a matched set where you can.
Front tire: 90/90-21Shop every brand in this sizeShop Rear tire: 120/80-18Shop every brand in this sizeShop
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Zero FX tire sizes by year
| Years | Front | Rear |
|---|---|---|
| 2023 | 90/90-21 | 120/80-18 |
| 2019 | 90/90-21 | 120/80-18 |
| 2015-2016 | 90/90-21 | 120/80-18 |
Frequently asked
What size tires does a Zero FX take?
The Zero FX takes a 90/90-21 front tire and a 120/80-18 rear tire. See the by-year table for other years.
Can I fit a different brand of tire on a Zero FX?
Yes - any tire made in the same size fits the rim, so you can choose across brands (Michelin, Dunlop, Pirelli, Shinko, and others) on price, grip, and mileage. Keep front and rear a matched pair where you can.