It's a stack spacer. It's a top cap. It's both! The Ultralight stem cap is designed specifically for carbon steerers that require that the steer tube extend above the stem.
1 1/8" top (straight 1 1/8" or 1 1/2" to 1 1/8" taper) steerer tubes only
Light-weight and durable
Express delivery and return policies
Free shipping on orders over $30
Processing time: 1-2 Days
Shipping time: 3-5 Days(According to the logistics method and delivery address)
Items can be returned or exchanged within 30 days !
