ten re-e-tender for supply an 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 , 215x75r-15 , 195 / 80r-15 , f78-15 ( 8ply ) , 195 / 65r-15 , 450-12 , 205 / 65r -16 , 175 / 65r-14 , 205 / 65r -15 , 165 / 80r-15 , 600-14 , 7.50-16 ( 14 / 16pr ) , 7.00x16 , 900-20 , 1000-20 , 235 / 75r-15 , 235 / 70r-16 , 8.25-16 , 185r-14c , 215 x75r-15 , 165 / 80r -14 , 185 / 70r-14 , 235x65r -17 , 145 / r-12 lt 805 , 205 / 55r-16 , 7.00x16 lt ( ttf ) , 215 x 75 r-15lt , 18 x 8.50- 8 , 145r-12c , 7.00 r-15 l / t , 165 / 60r-14 ( 79t ) , 215 / 75r-17.5 , tyre & tube ( 2 wheelers ) , 3.25-19 ( 4ply ) front & rear , 300x18 ( r ) , 275 x18 ( f ) , 100x90-18 , 90x90-17 , 110x80x17 , 90x90-18 , 100x80-18 , 140 / 60-17 r , 100 / 80-17 f , 100 / 70-17 r , 300x17 ( r ) , 275 x17 ( f ) , 90-90-12 ( 54j ) ( f ) , 90-100-10 ( 53j ) ( r ) , 300-10-42j / 4 pr ( f+ r ) , 120-80-17