Black Ops Sealed Euro Bottom Bracket-Black Size:19mm GT has put all that

GT has put all that the Speed Series Pro models offer into a bike sized perfectly for riders 4'6" to 5'2"

Ultra-light PC line of Pivotal seats

Made for 3/32″ chains

and long lasting YKK zippers are a nice touch

Premium crew neck fit: contoured to your body

Black Ops Sealed Euro Bottom Bracket-Black Size:19mm GT has put all thatThe Black Ops Sealed Euro Bottom Bracket Black is built to accommodate 19mm crank spindles and Euro bottom bracket frames to provide reliable and smooth power transfer. The sealed quad bearing design, coupled with durable lightweight alloy cups, ensures long lasting performance and reduced maintenance needs. This BB features a Euro shell and an ENG interface, making it compatible with a variety of setups. Details: For 19mm crank spindles and Euro