As far as we know, these have been discontinued.
T40 series wheels are constructed with a thermoplastic rubber tread bonded to a polypropylene core making them light weight and durable while providing excellent traction.
All T40 Series wheels have a 1/2 hex bore and are designed to be mounted using T40 series hubs. T40 hubs are available to mount 1 or 2 wheels wide (Specified by 1 Wide or 2 Wide) This allows 1, or 2 wheels to be mounted to a single hub giving the flexibility of creating wider tread or mixing durometers.
- Outside Diameter: 2-3/8 in
- Width: 0.4 in
- Mount: 1/2 in hex
- Weight*: 0.62 oz
- Color: Black and Blue
- Tread Durometer: 50 Shore A