Protaper ProTaper Stem MTB Headset ModelNumber=K6893 For single roto-brushes

For single roto-brushes

6 Headset Type Integrated Crown Race Diameter 40mm Upper Cup 41mm Material Aluminum SHIS Lower IS52/40

The wheels are the same size as the Carbonfibre

it can also be fitted at the rear for even more grip

S Lower ZS56 S

Protaper ProTaper Stem MTB Headset ModelNumber=K6893 For single roto-brushesThe ProTaper stem may look simple but under that beautiful veneer lies hours of 3D modelling countless FEA revisions and tons of real world ride testing. This provides a light stiff stem that can handle tremendous forces from every conceivable angle. 3D Forged and machined 6061 Aluminum Stainless Torx Fasteners Stem Angle (deg) 0 Defined Color Black S. H. I. S. Stem Clamp Diameter 28. 6 Weight 175 Color Black Material Aluminum Length 35 Bar Clamp