Ultra light carbon wheel rim 1. top quality control & pass EN test 2. on-time delivery 3. 12 month warranty Superlight carbon bike rim, top quality, SD-RM20T ... 2013 new arrival !Specifications:1.Toray T700 carbon fiber, 700c full carbon rim 2.20mm tubular 3.3k.12k,or ud with ... .ERD:603mm6.Holes: 20/24H, or 16-36H are available Ultra light carbon wheel rim, superlight 560g,RC-RM-20T