Blackburn Trak Block 3 Front Wheel Platform

The Blackburn Trak Block 3 Front Wheel Platformlevels 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