Racing Tire Durometer #306RL

Durometer Shore A Scale Classic Style PTC® Instruments #306L

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Your Price: $950.00

Retail Price:$1,030.00

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Racing Durometer 306RL gives all Motocross, Off-Road, Rally, F-1, and Nascar drivers the edge when it comes to tire wear and lasting performance.

Part Number: 306RL

Availability: In Stock.

Racing Tire Hardness Readings

Quantity

Description

Our racing tire durometer was designed to produce accurate results each time to give you the edge for your rally, motocross, drag, kart, F-1, Nascar, etc. Drivers routinely refer to tires as "hard" and "soft," hard tires supposedly being the norm for a newly repaved race track. Many race tracks rely on tire durometers that are used to measure the indentation hardness of the tire.

These durometers can be customized with your team name and/or drivers name and number!

For hardcore racers, the durometer has 2 primary functions:

1. Tires matching. Even the same brand and model tires can have variances (older tires get harder just sitting on a shelf and doing nothing). There can also be batch to batch variances so to ensure maximum consistent, predictable performance, racers will test tires to make sure that a set measures the same durometer (the term is both used for the tool and the measurement) before mounting them.

2. They then track the changes in durometer over the life of the tire (assuming you don't wear them beyond usable life first), and note the changes in grip so they know when to change the tires to retain the maximum grip and handling and when the tires have exceeded their heat cycle life and are now costing them time.

Accuracy of ±1 Point
Max Hold Pointer Standard
Easy to Read 0 to 100 Point Dial
Accessory Test Stands Available
NIST Certification Available
Includes Precision Aluminum Test Block
Carrying Case
User-friendly
Meets or exceeds current ASTM D2240 Specs
Range (Type A) 0-100 points
Height 4" (10.2cm)
Width 2¼ " (5.7cm)
Depth 1¾ " (4.4cm)
Weight 8 oz (227g)
Shipping Weight 4 lb (1.4kg)

Actual Durometer Hardness Readings Reported:

Michelin Pilot Sport Cup @ 68F = 62A DP @ 112F = 55A DP durometer
Avon Tech R-A @ 69F = 58A DP @ 165F = 46A DP durometer
Hoosier R3S05 @ 66F = 56A @ 165F = 44A durometer
Kumho ECSTA V710 @ 66F = 58A
BF Goodrich Traction T/A all-season tire @ 74F = 58A durometer
Michelin Cross Terrain SUV all-season @ 74F = 59A durometer
Michelin Rear Formula 1 slick @73F = 70A durometer
Bridgestone Rear Formula 1 Rain i @ 74F = 66A durometer

Hoosier Feedback:

Hoosier Tire - R3S05 / R6 / CUP
Durometer Reading
Cold...71-74A
Hot....50-55A

Kuhmo Feedback:

V700 Victoracer, Ecsta V700, and Ecsta V710 @ 72° F = 70-72A. At operating temperature (surface temp of 175° F/internal temp of 250° F), = 58A After that initial heat cycle, the durometer reading returns to 69 to 70A at room temperature.

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DUROMETERS > Racing Tire Durometer

Durometer Shore A Scale Classic Style PTC® Instruments #306L

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