In 1995, I gave myself a holiday gift of sorts: a Bontrager Race Lite mountain bike frame. I just happened to get a really good deal on it and transferred the upgraded parts from my Jamis Dakota. I still had most of the Dakota's original parts, which I re-installed before gifting that bike to someone who was even poorer than I was.
Anyway, just after the New Year, I took the Race Lite on a ride Keith Bontrager, from his base in Santa Cruz, California, may not have envisioned. One of the biggest snowstorms in the history of New York City dumped about two feet of the white stuff. A state of emergency was declared, which meant that the only motorized vehicles on the streets were pushing plows or spreading salt. But, as happens in such storms, the streets filled with snow, it seemed, seconds after they were plowed.
The Race Lite--or, more precisely, the tires--made tracks along deserted Flatbush Avenue to Prospect Park which turned into, if you'll pardon the cliche, a winter wonderland. I giggled as I twisted, turned and tumbled--sometimes on purpose--into still-pristine beds of snow.
I can remember only a couple of snowstorms to rival that one here in the Big Apple. So, unless I move to some place where such snowfalls are normal--and where the ground is therefore covered with snow for longer periods of time--I probably won't have use for something I'm about to describe.
The Austrian company FasterBikes has just released the S-Trax Snowbike Conversion Kit. Included is, not surprisingly, a ski that replaces the front wheel. It's paired with "crawler" unit that replaces the rear wheel. Not surprisingly, that "crawler" has snowmobile-like lugged rubber track and rollers. It also has some new "twists": a mechanical disc brake and an Enviolo Extreme hub-incorporated stepless gear system. One chain runs from the bicycle's existing crankset to that hub on the drivetrain side, while another chain runs from the hub down to the track on the non-drivetrain side.
In some ways, this setup is similar to another made by Canadian manufacturer Envo. The main difference is that, unlike the Envo setup, S-Trax doesn't come with a motor. So, if you don't have an electric mountain bike with a mid-mount motor, you will be propelling your snowbike the way I rode my Race Lite: on the power of your legs.
Oh, and FasterBikes doesn't recommend using the kit with a carbon-fiber frame