Gripmax SureGrip Pro Sport 305/30ZR21 104Y XL Summer Tire
Sumitomo HTR Z5 245/35ZR18 92Y XL Tire Sumitomo HTR Z5 245/35ZR18 92Y XL Tire $144.99
Roadtrack Terrena UHP 325/30ZR21 110Y XL Tire Roadtrack Terrena UHP 325/30ZR21 110Y XL Tire $98.99
Gripmax

Gripmax SureGrip Pro Sport 305/30ZR21 104Y XL Summer Tire

305/30ZR21104YSummerPassenger Car

$122.99each

How many?

4 tires: $491.96

Up to 4 tires per order.

- OR -
  • What’s included1 tire. The wheel is not included. Mounting and installation are not included.
  • Free shippingOn every order. We ship to the contiguous US only (not Alaska or Hawaii).
  • ReturnsYou have 30 days from the date you receive your order to request a return. Items must be unused and in their original condition. Email us first. Details

Same size, other tires

Tires in 305/30R21, this one included. A few of them:

TirePriceLink
GladiatorX Comp H/P
—View Gladiator X Comp H/P →
LaufennS Fit AS LH01
—View Laufenn S Fit AS LH01 →
LexaniVolt EC
—View Lexani Volt EC →
MichelinPilot Sport 4S Autocross
—View Michelin Pilot Sport 4S Autocross →
See all tires in 305/30R21 →

Specifications

Tire size305/30R21
Tire load index104
Tire load rangeExtra Load
Tire seasonSummer
Tire terrainHighway Terrain
Tire sidewall styleBlackwall
Tread depth9/32
Overall diameter28.2 in
ManufacturerGripmax
Tire width305 mm
Vehicle fitment typeUniversal
Is run flatN
Vehicle typeCar
Construction typeRadial
Electric vehicle tireN
Wheel diameter21 in
Flotation tireN
FeaturesFits Multiple Makes And models
Items includedTire (wheel not included)
Total count1
Vehicle class designatorP
Tire locationFront and Rear Tires
Tire diameter21 in
Tire typePassenger Car Tires
ModelSureGrip Pro Sport 810149133947
Maximum inflation pressure50 psi
Tire aspect ratio30

Specifications are as published by the manufacturer. Please confirm the size against the placard on your vehicle before ordering.

Description

The Gripmax SureGrip Pro Sport is an ultra-high-performance summer tire for passenger cars, SUVs and sports cars. An asymmetric tread with a sturdy central rib provides precise steering, directional stability and strong grip and braking on dry and wet roads.

This 305/30ZR21 size carries a 104Y load and speed rating with extra load (XL) construction. It has 9/32-inch tread depth, a 50 psi maximum inflation pressure and an overall diameter of about 28.2 inches.