BMW G650X Challenge Tire Size
The BMW G650X Challenge (652cc) takes a 90/90-S21 front tire and a 140/80-S18 rear tire.
Key takeaways
- Front tire: 90/90-S21.
- Rear tire: 140/80-S18.
- Any tire made in the same size fits - shop across brands on price and grip.
- Covers 2007.
Buy tires for your BMW G650X Challenge
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.
As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.
Frequently asked
What size tires does a BMW G650X Challenge take?
The BMW G650X Challenge takes a 90/90-S21 front tire and a 140/80-S18 rear tire.
Can I fit a different brand of tire on a BMW G650X Challenge?
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.
More parts for your BMW G650X Challenge
We cover the other consumables for your machine too - the exact fit, cited, in one place.