The Blackburn Trak Block 3 Front Wheel Platform levels and stabilizes your front wheel as you do a workout on your indoor trainer. It has three slots that are unique to different wheel diameters -- 700c, 650c, and 26in wheels.
- Injection molded construction of the Trackblock 3 makes it virtually indestructible
- Stable front wheel stand
- Slots for 700c, 650c and 26-inch wheels
- Use with Trakstand Mag 3 to level bike
- Use with other trainers to raise handelbars