Bike Parts
WTB Proterra Light i25 6-Bolt Wheel
Looking for a fast and light alloy wheel? The WTB Proterra Light i25 6-bolt wheel has an open-cavity profile and thin, weight-optimized walls for a blend of stiffness, resiliency and efficiency.
WTB Proterra Light i25 Center Lock Wheel
Looking for a fast and light alloy wheel? The WTB Proterra Light i25 Center Lock wheel has an open-cavity profile and thin, weight-optimized walls for a blend of stiffness, resiliency and efficiency.
WTB Proterra Tough i30 Wheel
Keep the trail in check while everything else blurs. Choose the WTB Proterra Tough i30 when you need a wheel that won't let you down—especially when you're cranking out of corners.
Zipp SL Speed Stem
Stiff, secure and light, with a sleek design that complements any bike, the Zipp SL Speed stem is a perfect add-on to your featherlight road bike. And it's tough enough for gravel and cyclocross, too.
Zipp SL Sprint Bike Stem
Designed with feedback from top pros to meet the unrelenting demands of Grand Tour sprinters, the Zipp SL Sprint bike stem strikes the ideal balance between stiffness and lightweight.