You've got your trainer set up primed to perfection, except for that phone book under your front wheel. The Blackburn Trak Block II is a front wheel stabilizer for use with indoor bicycle trainers. It helps keep your front wheel from squirming around while you pedal, so you can ride more safely and efficiently.
Item No. » YT-BLOC
Sorry, this item is Out of Stock. You can still order it and we will ship it to you as soon as it comes in.