140/70-18 Motorcycle Tires
7 models in 140/70-18, from 4 brands we stock. Order online for delivery, or have them fitted at the shop in Orange.
What 140/70-18 means
140 is the section width in millimetres, measured across the tread. 70 is the aspect ratio: the sidewall is 70% of the section width, which works out to roughly 98 mm here. 18 is the rim diameter in inches — the wheel this tire mounts on.
Depending on the bike, a 140/70-18 can run at the front or the rear.
The sizes listed for each model are the sizes it is made in. Confirm against the size on your own bike before ordering — wheel swaps change fitment.Every 140/70-18 tire we stock
Metzeler's marathon-grade cruiser tire built for heavy iron, long hauls, and riders who refuse to choose between mileage and real-world grip.
Metzeler's marathon-grade cruiser tire built for heavy iron, long hauls, and riders who refuse to choose between mileage and real-world grip.
The ME 888 Marathon Ultra is built for high-mileage cruiser and bagger riders who demand durability and load stability without giving up street-worthy grip.
Pirelli's dual-compound street sport tire built for medium-displacement riders who want real grip on weekdays and weekends without burning through rubber.
Pirelli's dual-compound street sport tire built for medium-displacement riders who want real grip on weekdays and weekends without burning through rubber.
The Sport Demon is the go-to for medium-displacement street riders who split time between the daily commute and weekend canyon runs and need a tire that handles both honestly.
A premium sport-touring tire engineered for consistent grip, confident wet-weather performance, and long-haul durability — built for riders who demand both engagement and reliability mile after mile.
A premium sport-touring tire engineered for consistent grip, confident wet-weather performance, and long-haul durability — built for riders who demand both engagement and reliability mile after mile.
The Z8 Interact is built for the rider who racks up serious miles in all conditions and expects the tire to perform honestly from the first ride to the last.
Brands that make a 140/70-18
Other common sizes
Running a different size front and rear? These are the other sizes we stock, closest wheel diameter first.
Before you buy
- When to replace your motorcycle tires
- How long do motorcycle tires last?
- Reading the DOT date code on a tire
- Setting motorcycle tire pressure
- Bias-ply vs radial motorcycle tires
- Why tire balancing matters
Fitting a 140/70-18 at MTC
We mount and balance every tire we sell, and tires you bring in. Walk-ins welcome at the Orange shop, or book a slot so the bay is ready when you arrive.