The x tools 18 piece bike tool kit is perfect for the home mechanic or a race weekends away the all in 1 kit provides you with tools you need to get rolling again the tools are all kept safe in a durable plastic box with protective internal foam separating the two halves x tools bike tool kit 18 piece includes workshop tyre levers chain whip shimano compatible external bb spanner pedal spanner 15mm box wrench with 1415mm socket end shimano style hollow tech 2 tensioning tool features uni