Dahang d6 is different from permanent f325. According to the query of relevant information, Permanent Bicycle does not have the F325 model. Dahon D6 is Dahon’s entry-level 20-inch folding bike. It has a classic steel K frame, Shimano 6-speed V brake, and Dahon patented folding buckle. It is safe. Reliable, quick to fold, and suitable for urban traffic conditions.