Swiftwick Aspire Quarter Crew Socks - 4", Red, Medium Headset Reducers this derailleur stands up to

this derailleur stands up to harsh trail impacts and still retains its lightning-quick wireless shifting speed and top-level performance

712409-Q0-L19EE08

This creates a bead lock that prevents burping

Light: 217g

Swiftwick Aspire Quarter Crew Socks - 4", Red, Medium Headset Reducers this derailleur stands up toThe 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%