Product Description The XTR Di2 M9250 shifting upgrade set from Shimano revolutionizes the riding experience for All Mountain, Cross Country, Enduro, and MTB enthusiasts. With its innovative wireless 12-speed drivetrain, it delivers exceptional performance on any trail and sets new standards for precision and reliability. Whether you're riding All Mountain, Cross Country, Enduro, or tackling technical MTB terrain – the XTR drivetrain, with its trigger shifter and I-Spec I (A) integration, ensures seamless and intuitive shifting. Powered by a high-quality lithium battery, the system offers fast and accurate gear changes – completely cable-free. This technical masterpiece is ideal not only for ambitious riders pushing their limits, but also for those who appreciate clean aesthetics and a tidy cockpit. The XTR Di2 upgrade set is the perfect choice for anyone who refuses to compromise and demands the best wireless shifting technology on the market. Information regarding the return of batteries and electrical equipment: Information on the return and disposal of used batteries and electrical equipment can be found here. For information regarding the return of used e-bike batteries, please contact our customer service. Product Specifications: Application:All Mountain, Cross Country, Enduro, MTB Shift System:Wireless Shifting:12-speed (electronic, wireless) Series:XTR black-silver | none: Crank Arm Length:none Components: Shift lever:Trigger / I-Spec I (A) Product Features: – This upgrade set includes the latest XTR Di2 12-speed rear derailleur with short cage – including the new wireless XTR Di2 shifter with I-Spec I (A) mount. – A 320 mAh battery for long rides without recharging. – The matching charger. Manufacturer Number: black-silver | none: IGPM9250UPG04 Contents: 1 x Shimano XTR RD-M9250-GS 12-speed rear derailleur 1 x Shimano SW-M9250-IR 1 x Shimano BT-DN320 battery 1 x Shimano EC-DN100 charger 1 x Shimano SM-CN910-12 chain quick link Manufacturer: Shimano Europe B.V. High Tech Campus 92 5656 AG Eindhoven Netherlands info@shimano-eu.com