Shimano xtr 1x11 drivetrain groupset builderengineered for the way you ridenew xtr m9000 series its most advanced xtr mountain bike components and wheels to date with this totally new xtr line available in both race and trail rider tuned product families shimano leverages its 22 years of engineering leadership producing the industrys highest performing mountain bike component group inspired by the versatility and capability of todays rider and the terrain they tackle xtr offers refined