Tracker Truck 129mm Dart Silver With the Tracker Dart axles Tracker brings a real all-round model on the market. True to the motto "Trucks you can trust", the Dart axles are suitable for almost all disciplines. The axles, the company Tracker domestic since 1975 on the skateboard market, are very robust and can be driven on the road, as well as in skateparks. Dimensions: Axle pin width 7.675" Hanger width 5.0" Height 2.15" Weight 353g recommended deck width: 7.375 - 7.875 Price is for 1 axle