Your inner-tubes are one of the most critical components on your bike. Bontrager's are premium quality, standard weight tubes that keep you rolling. Get one more than you think you'll need—you can always use a spare.
|27 x 1-1/8-1-1/4 (700 x 28-32c)|
|27 x 1-3/8-1-3/4 (700 x 35-44c)|
|27 x 7/8-1-inch (700 x 18-25)|