e-tender for supply and maintenance of different types of tyre ( for 4 wheelers and 2 wheelers ) for use of police service depot ( psd ) of kolkata police , tyre & tube ( 4 wheelers ) , 185 / 85r-16 ( tyre & tube ) , 215x75r-15 ( tubeless ) , 195 / 80r-15 ( tyre & tube ) , f 78-15 ( 8ply ) ( tyre & tube ) , 195 / 65r-15 ( tubeless ) , 450-12 ( tyre & tube ) , 205 / 65r -16 ( tubeless ) , 175 / 65r-14 ( tubeless ) , 205 / 65r -15 ( tubeless ) , 165 / 80r-15 ( tyre & tube ) , 600-14 ( tyre & tube ) , 7.50-16 ( 14 / 16pr ) ( tyre & tube ) , 7.00x16 ( tyre & tube ) , 1000-20 ( tyre & tube with flap ) , 235 / 75r-15 ( tyre & tube ) , 235 / 70r-16 ( tubeless ) , 8.25-16 ( tyre & tube with flap ) , 185r-14c ( tubeless ) , 215 x75r-15 ( tyre & tube ) , 165 / 80r -14 ( tubeless ) , 185 / 70r-14 ( tubeless ) , 235x65r -17 ( tubeless ) , 145 / r-12 lt 805 ( tyre & tube ) , 205 / 55r-16 ( tubeless ) , 7.00x16 lt ( ttf ) ( tyre & tube with flap ) , 215 x 75 r-15lt ( tyre & tube ) , 18 x 8.50- 8 ( tubeless ) , 145r-12c ( tubeless ) , 7.00 r-15 l / t ( tyre & tube ) , 165 / 60r-14 ( 79t ) ( tubeless ) , 215 / 75r-17.5 lt ( tyre & tube with flap ) , tyre & tube ( 2 wheelers ) , 3.25-19 ( 4ply ) front ( tyre & tube ) , 3.25-19 ( 4ply ) rear ( tyre & tube ) , 300x18 ( r ) ( tyre & tube ) , 275 x18 ( f ) ( tyre & tube ) , 100x90-18 ( rear ) ( tyre & tube ) , 90x90-17 ( front ) ( tubeless ) , 110x80x17 ( rear ) ( tubeless ) , 90x90-18 ( front ) ( tyre & tube ) , 100x80-18 ( rear ) ( tyre & tube ) , 140 / 60-17 ( rear ) ( tyre & tube ) , 100 / 80-17 ( front ) ( tyre & tube ) , 100 / 70-17 r ( tyre & tube ) , 300x17 ( rear ) ( tyre & tube ) , 275 x17 ( front ) ( tyre & tube ) , 90-90-12 ( front ) ( tubeless ) , 90-100-10 ( rear ) ( tubeless ) , 300-10-42j / 4 pr ( f+ r ) ( tubeless ) , 120-80-17 ( rear ) ( tubeless )