The open pro 700c rim from mavic is the reference wheel for wheel builders made from maxtal it has a higher strength to weight ratio compared to conventional 6106 alloy rims the rim also features a sup joint which consists of bending followed by arc welding the seam and then milled for a super smooth finish this process means for an extremely strong joint which eliminates shuddering when braking and superior wheel balance available in black with 28 32 or 36 hole drillings