Swiftwick Aspire Mid-Crew Socks - Circuit Black Medium Weight-316 Features a 6mm Allen key

Features a 6mm Allen key on the drive side of the axle if you manage to round the non drive side

6 lbs) color carbon

Riser kits increase stack height to fit a wide range of riding styles for efficient positioning

2 Chain Checker Tool

4 Bolt Mount Diameter 6

Swiftwick Aspire Mid-Crew Socks - Circuit Black Medium Weight-316 Features a 6mm Allen keyThe Aspire offers a thin breathable feel and firm compression for enduring performance on rides. Engineered with moisture wicking fibers it keeps feet dry secure and supported up to mid calf. Thin profile is designed to fit into any technical shoe with a barely there feeling Firmly hugs the contours of your feet to support the arch and help reduce fatigue Built to provide maximum breathability with signature fibers that wick moisture keeping your feet