The x tools 27 piece bike tool kit has a number of tools to cover a number of jobs on any bicycle the quality and number of tools allow you to efficiently and precisely maintain your bicycles features screwdriver phillips ph2 puncture repair kit rubber cement sandpaper 2 bits of rubber 6 small 2 medium 1 large patch chain rivet extractor compatible with mtbroad chains and some single speeds crank puller tool 15mm pedal spanner 2 double ended cone spanners sizes 13141516 x