Box One 451 Rim-Front-28H-20x1 1/8" seat eliminating any space between the

eliminating any space between the axle and tensioner to ensure consistent and accurate adjustment

it accommodates various frame sizes and tube diameters

Built with a low-profile tread pattern to reduce drag while still managing stability in the turns

Size: Available in 4oz

The integrated post is reinforced with carbon fiber insert

Box One 451 Rim-Front-28H-20x1 1/8" seat eliminating any space between theThe Box One 451 Rim Front 28H 20x1 1 8" is as low profile as it gets. All the better to be lightweight and speedy. Featuring double walled aluminum, eyeleted construction. Lacking a sidewall braking surface this rim is designed specifically for the front of the bike, but can be used on the rear if using a disc brake. Please note: Box has not supplied photos of the front rim, so the pictures on this page are for the rear rim which has a flat surface