275/50/15 the same as 26 x 10.5 x 15????

[jaidedeye]

i have 275/50/15 nitto 555r's on my car. its almost time to change them out......ive seen some tires im interested in that are listed as 26 x 10.5 x 15.......will these be the same size??? and could i go larger or taller?

 

[tomustang]

bump