R4 Rear Hub Shirts this is the evolution of

this is the evolution of Chromag frame design in 29er form

this tool can be mounted in a vise

This is a high quality alloy rim that is tougher than most with added protection at the bead-walls for impact resistance and reduced sidewall cuts

) but in direct mount

R4 Rear Hub Shirts this is the evolution ofThe R4 is designed to be a solid, reliable hub with a durable axle assembly and robust set of bearings. We're using a tried and tested 4 pawl arrangement with 36 points of simultaneous engagement. What sets it apart is the large radius that the pawls are positioned on, reducing leverage at the point of engagement. We opted for a Chromoly steel axle for stiffness and longevity. Using steel allows a smaller diameter axle which in turn gives us more room