5mm Base Headset Spacer wheels combining exceptional aerodynamics with reduced

combining exceptional aerodynamics with reduced side force for a balanced

The Dimond Bike’s best travel companion

Dimond Aerobar BTA mount

The Radiant SL uses computational fluid dynamics and real-world testing to achieve a frame with class-leading stiffness-to-weight ratio and unparalleled drag efficiency

Whether it’s a calm day or gusty race conditions

5mm Base Headset Spacer wheels combining exceptional aerodynamics with reducedThe 5mm Base Headset Spacer is designed to go on the bottom of your stack, and goes over the headset bearing cap. In order to use other spacers this must be on the bottom (closest to the frame).