ORIGIN 8 AHEAD FUSION EXPNDR 1-1/8x50 UD CARBON TOP BLACK HYDRAULIC DISC 5mm and wider - If

5mm and wider - If the Quarq spider has an ID less than 49

Bianchi and Kona

all three materials work together to guarantee high performance

Carbotecture body which is a proprietary carbon weave that is nearly twice as strong as carbon laminates

ORIGIN 8 AHEAD FUSION EXPNDR 1-1/8x50 UD CARBON TOP BLACK HYDRAULIC DISC 5mm and wider - If3 piece expander design provides a secure fit within carbon steerer tubes UD carbon top cap included 22 25mm range of expansion 50mm height reinforces carbon steerer tube beneath the stem New design evenly distributes headset compression forces Lightweight AL6061 alloy construction Stainless steel bolt