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Medium-duty

Cooper releases new Roadmaster tires for vans, delivery trucks

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David Sickels is the Associate Editor of Tire Review and Fleet Equipment magazines. He has a history of working in the media, marketing and automotive industries in both print and online.

Cooper Tire’s Roadmaster brand has added two new tires for the final mile, pick-up and delivery and emergency vehicle segments.

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The Roadmaster RM257 drive and Roadmaster RM170+ steer, both 19.5-in. tires, will soon be available for order through Roadmaster dealers.

The Roadmaster RM257 tire, with 18/32nds of tread depth on the 225 size, and 19/32nds on the 245 size, is a new drive tire that the company says features aggressive tread and a three-peak mountain snowflake certification. To receive the certification, the tire must have 25% better acceleration over the reference tire in winter conditions. The Roadmaster RM257 tire doubled that, Cooper says.

The Roadmaster RM257 tire is an open-shoulder tire with three tread blocks in the center. The tire’s 3D siping allows for better grip in wet weather conditions, while staggered shoulder pockets and chevron grooves provide excellent bite and performance in snow and mud conditions, Cooper says. Lateral tie bars help stabilize the tread blocks to enhance even wear and promote better handling. A new compound formula helps the tire resist cutting and chipping, the company adds.

The Roadmaster RM257 tire comes in size 225/70R with load range F and G, and 245/70R with load range G and H.

The Roadmaster RM170+ tire builds upon the tread design of its predecessor, the RM170 steer tire. Cooper says the “plus” designation means an even more durable tire that offers improved handling and wear through enhanced compounding. It will give those operating smaller trucks, vans and emergency vehicles more miles to removal while providing a softer ride, Cooper says.

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While the Roadmaster RM170+ tire is primarily used as a steer tire, it also has use as an all-position tire in some applications. Featuring 15/32nds of tread depth on the 225 size, and 16/32nds on the 245 size, the tire has a wide footprint that allows for a longer, more even treadwear. Its V-shaped tread groove helps with traction and stone rejection, while sipes on the outer tread help with wet weather grip, Cooper says.

It comes in size 225/70R with load range F and G, and 245/70R with load range G and H. The tire will also be available to fit 265/70R, 285/70R and 10R22.5 sizes.

Both the Roadmaster RM170+ tire and Roadmaster RM257 tire, in most sizes, meet the ‘N’ (87 MPH) speed rating. These are Roadmaster’s first tires to carry that rating.

To aid in durability, Cooper says both tires feature an extra strip of rubber on the sidewall—a curb bar—which helps ensure the integrity of the sidewall. The tires also feature high tensile steel-belt construction to ensure long casing lives and multiple retreads.

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