Defy Advanced 4 Vendor_Pinhead Components The design allows the tire

The design allows the tire to push past the bead bump

Low profile tread design rolls fast and still delivers grip for climbing and braking

The Thomson seat post design incorporates a bending fuse to prevent catastrophic failure

Main: Nylon 89%

Aluminum trigger lever and updated internal mechanism provide crisp feel and precise shifts

Defy Advanced 4 Vendor_Pinhead Components The design allows the tireWith effortless efficiency and quiet compliance, this lightweight endurance road machine helps you ride stronger and longer. The composite frame and purpose built components smooth out rough roads and minimize fatigue. FEATURES: Functional Simplicity: Free of cumbersome gimmickry, the frameset is one of the lightest in its category. With a perfect balance of high performance reactivity and all day comfort, it offers a less is more experience for