80/90R21 Motorcycle tyres
Compare 5 motorcycle tyres in 80/90R21 (also written 80/90 R21 or 80 90 21) from 2 brands, priced from $274 to $296 each including GST. Choose delivery to your address, or have them sent to a Tyroola fitting partner near you to be fitted and balanced.
What 80/90R21 means
A 80/90R21 tyre is 80 mm wide across the tread. The sidewall is 90% of that width, about 72 mm tall, and it fits a 21-inch rim. That puts the overall diameter at roughly 677 mm, or about 470 wheel revolutions per kilometre. The R stands for radial construction.
Load index and speed rating
Tyres listed in 80/90R21 carry load indexes from 48 (? kg per tyre) to 54 (? kg per tyre) and speed ratings S (180 km/h) and H (210 km/h). Your vehicle's tyre placard, usually inside the driver's door frame, sets the minimum load index and speed rating. Replacements must match or exceed both.
Brands in 80/90R21
The brands with the most 80/90R21 options are Michelin (3), Dunlop (2).
Frequently asked questions
What does 80/90R21 mean?
It means a tyre 80 mm wide with a sidewall 90% of that width (about 72 mm), radial construction, for a 21-inch rim. The load index and speed rating follow the size on the sidewall, for example 80/90R21 91V.
How much are 80/90R21 tyres?
Right now 80/90R21 tyres range from $274 to $296 each including GST, depending on brand, tread type and load rating. A set of four starts from $1,096.
Which load index and speed rating do I need for 80/90R21?
Use the load index and speed rating on your vehicle's tyre placard as the minimum. A higher load index or speed rating is fine; a lower one is not. If your placard lists more than one size, use the ratings shown for the size you are buying.
Can I get 80/90R21 tyres fitted near me?
Yes. At checkout, choose a Tyroola fitting partner near you and the tyres are delivered there for fitting and balancing. You can also have them delivered to your own address.