Its a size Large(52cm size frame), 27 speeds that change so smooth you can barely feel it, disc brakes that perform beautifully front and rear, the hand grips are ergonomically perfect.......I could continue but I'm not trying to type out a novel. Bottomn line, it's made by Mercedes-Benz, so the quality of craftsmanship is almost unsurpassed and the attention to detail is apparant just by looking at the bike. Almost immediately upon riding the bike you can't help but notice how smooth it rides, or how effortless it is to shift the gears... Texts Only Please - (813) 575-6958