[dfinn]

and want to be able to keep riding check out :

www.winterxbike.com

I'm not sure the quality of these but a friend just sent me the link to one of their videos and it looks like alot of fun.

check here:
http://www.winterxbike.com/video.htm
for a couple of different videos. It looks like they make their kit to work with just about any bike.

sorry if this is old news.

 

[LordOpie]

They look awesome! I'm definitely getting me one!

 

[zedro]

they've been around for awhile.....my concern is the BB height and weither you'll case on bottom-out.