Winters here, drill screws into your tyres!

[Azizthetics]

https://www.youtube.com/watch?v=DTVB1md5Ot8


Wonder how long it took him to do the whole tyre...

[husaberg]

Ice Speedway has been around for years.

http://www.sportsposterwarehouse.com/catImages/icebikereu-1.jpg
note the hoop over the wheel.
this I hadn't seen
http://www.hayabusa.org/forum/attachments/random-thoughts/97124-sportbike-ice-racing-icreracing2.jpg


https://www.youtube.com/watch?v=o6gdwEVOvBY

https://www.youtube.com/watch?feature=player_detailpage&v=jM8wwWR73m0