I'm currently running a Conti Road Attack on the rear and a Conti Sport Attack on the front. Love the combination and I'm really like what I have been seeing with the rear tire as far as wear.
Here's what I would do. This company has a banner ad on SBN.
They sell the 120/70/17 Conti Sport Attack for $129.99 and the 180/55/17 Conti Road Attack for $169.99.
And they claim to have a 110% price guarantee.
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That's easy no brainier one for me.
https://www.ridedirect.com/showCategory.php?id=42
ridedirect.com sells the 120/70/17 Conti Sport Attack for $109.95 and the 180/55/17 Conti Road Attack for $132.95
$242.90 with free shipping for any order over $200.00
The other company sells the same two tires for $299.98 and charges a $5.00 "tire handling fee" for a total of $304.98 for exact same tires.
Here's the catch use ridedirect.com low prices and free shipping and no tire handling fee against motosport.com and get one hell of deal using there 110% low price GUARANTEE!
If they have to match the other guy at $242.90 plus another 10% that will make the tires $218.61 and tell them your not paying the tire handling fee if they want your business.