Swiftwick Aspire Four Socks - 4", Pewter, Medium Shifters - Replacement mount (spare cage)

- Replacement mount (spare cage) for Fidlock Bottle Twist systems

Manufacturer Part Number: 5M137M/BZR

Asymmetrical rear rim provides better dish angles to achieve great lateral stiffness

2 flush mount spindle bolts

168373-Q0-L

Swiftwick Aspire Four Socks - 4", Pewter, Medium Shifters - Replacement mount (spare cage)The Aspire offers a thin, breathable feel and firm compression for enduring performance on runs, rides, and more. Engineered with moisture wicking fibers, it keeps feet and ankles dry, secure, and supported. Engineered with an ultra thin profile to deliver unparalleled fit & feel Signature Olefin fibers wick moisture, keeping your feet cool, dry, and blister free Grips the contours of your feet to support the arch and help reduce fatigue 53% Nylon 39%