Tube-TIRE Straight STEM 24/26x12-12 - B1321050. Lawn, Garden, Trailer Tube. Tube size must be same as tire size. Carlisle. TUBE-TIRE, STRAIGHT STEM, 24X12X12. Specs - Rim Size: 12. Size: 26 x 12 x 12. Valve Stem: Straight (TR13). Mega-Cross: Crossed From: M80236 JOHN DEE...