GENERAL INFORMATION Lightweight Eclipse III's are equivalent to the exceptional Lightweight Standard III wheels in weight and performance. Built in limited quanitites of 10 and exclusively available through R&A Cycles, the Lightweight Eclipse are surely a unique and one of a kind wheel right out of the Lightweight factory. full carbon fiber wheels in 28” size easy to change rotor for Campagnolo 9/10/11-speed easy to change rotor for Shimano 9/10-fach and SRAM 10-speed laminated computer magnet in front and rear wheel (NEW!) laminated chip with identification number in every wheel Weight: 1000 - 1100 grams