Size | Diameter | Width | Rim Range |
Measured Rim |
Tread Depth |
Load Range |
Max Load |
Max psi |
Max Speed |
Weight | Sidewall Letters |
Revs/Mile | ||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
255/40R21 102W XL BSW 540 A A |
29" | 10.2" | 8.5-10" | 9" | 9/32" | Extra Load | 1874 lbs | 50 psi | 168 mph | 30 lbs | Black | 717 | Show Specs |
Michelin Primacy tires are the top choice for premium vehicles and the Tour A/S is no different. It has the quietist tread design in its class with enhanced noise reduction tuning that combines noise cancelling shoulder grooves with smooth belts for an amazingly quiet ride. The Tour A/S has improved snow traction as well and maintains tread flexibility even in extreme winter environments.
The 255/40R21 Michelin Primacy Tour A/S has a diameter of 29", a width of 10.2", mounts on a 21" rim and has 717 revolutions per mile. It weighs 30 lbs, has a max load of 1874 lbs, a maximum air pressure of 50 psi, a tread depth of 9/32" and should be used on a rim width of 8.5-10".