DROPOUT 330, CERVELO - Cervelo. - CNC machined 6061 aluminum. - Black anodized finish. - Replaces Cervelo Part #DRH-WMN112. - For disc brake frames with thru axle wheels (Not for R.A.T. axles). - M12x1.75 Thru Axle Threads. - No additional hardware included. ~ Note: Not for use with R.A.T. thru axles. - 1 drop out per bag.