Praxis - CS - Zayante DM Carbon S - 52/36 - 170mm MTRX bearings are filled with

MTRX bearings are filled with SKF Solid Oil technology

Challenge has developed a new technology applied to handmade construction

and just like the big bikes

high-volume inflation

The slightly more well-behaved member of our family of gravity fed tyres

Praxis - CS - Zayante DM Carbon S - 52/36 - 170mm MTRX bearings are filled withThe Northern California Coast and Santa Cruz Mountains are steeped in road riding history. To honour it, we named our new top level crank Zayante, after the fabled redwood covered climb so named secret training ground for many local pros. This S Version is spec'd with a simplified and economic set of our new LevaTime II rings with steel bolts. Praxis M30 BB required and sold separately.