Turn Your Mountain Bike into a Snowmobile: Ktrak Complete Drive Kit.

The rear drive track kit comes in 20- to 26 inch. Wheel sizes, takes about as long to install as changing a tire, and adds grip on sand and snow.

The front ski (top right) is optional, but fun.

Ktraks traction boosting Rear Drive Kit, which consists of a composite wheel with a polyurethane track, is the first step in turning your mountain bike into a muscle powered snowmobile. To complete the transformation, the Ski Kit swaps the front wheel with a single, steerable ski. The kits work with nearly any mountain bike.

The rear drive track kit comes in 20- to 26 inch. Wheel sizes, takes about as long to install as changing a tire, and adds grip on sand and snow.

The front ski (top right) is optional, but fun.

1. Key Specifications.
2. Big wheel size: 26 inch
3. Outer dimensions: 950 X210 X 700mm
4. Net Weight: 12LG/26.4Ibs
5. Gross Weight: 15kg/22Ibs
6. Carton Size: : 97 x 77 x 18cm/1PC