MODEL NR21 - TUBE TYPE IRC275-17$38.99 2.50/2.75x17" INNER TUBE ALL CT90/110 SOME C70'S (2.50/2.75x17) THIS WILL FIT ALL CT90's AND CT110's I LIKE THIS TUBE FOR ALL 2.50 2.75 AND 3.00 SIZE TIRES, IT IS JUST EASIER TO WORK WITH ON THE 2.75 AND 3.00'S, AND IS STILL PLENTY THICK 2.50/2.75x17tube$6.99 275/300X17" INNER_TUBE ALL_CT90/110 FITS 3.00 X 17" TIRES 275/300X17"$7.90 RIM STRAP 17" NOW DO A GOOD JOB AND REPLACE THE STRAP WHEN REPLACING THOSE OLD TIRES. (: R/S-17-S$1.69