This is the Wolf Tooth Components Ultralight Stem Cap with Integrated 5mm Spacer. Designed for carbon steer tubes that require 5mm of spacer above the stem. Also useful for those who want to preserve extra steerer length above the stem. Includes high quality aluminum bolt. Made in USA.
Compatibility: 1 1/8" top (straight 1 1/8" or 1 1/2" to 1 1/8" taper) steerer tubes only
Composition: 6061-T6 aluminum
Cylinder Wall Height: 5mm
Weight: 12g (cap+bolt)