GSport Birdcage Rim (Chrome) Color:Chrome It's also much lighter than

It's also much lighter than a traditional cone style freecoaster clutch

One Piece Steerer Tube

cracking and breaking

Traditionally

Brake Lever:  Odyssey M2 Trigger

GSport Birdcage Rim (Chrome) Color:Chrome It's also much lighter thanLightweight Structure At first glance the Birdcage looks like a fairly conventional aero style rim, but there is more to it than that. The first clue comes from the name; birds have hollow bones to save weight whilst retaining as much strength as possible, and the Birdcage rim has a hollow bead for the same reason. The rims hollow bead is still big and chunky to help reduce the chances of pinch puncturing or flat spotting the rim, but by creating a