Shimano RD-M8100 XT 12spd 29 Rider tuned for sharp and

Rider tuned for sharp and silky shifts

but now in kids sizes

Advanced heat sync design reduces brake fade

3/16" and half-link

Shimano RD-M8100 XT 12spd 29 Rider tuned for sharp andSHIMANO DEORE XT Rear Derailleur SHIMANO SHADOW RD+ 1x12 speedThe all new SHIMANO DEORE XT M8100 series of derailleurs brings a new level of drivetrain silence thank to decreased tension in the low gear position and an added bumper on the pulley cage. Larger 13T pulleys increase efficiency and chain management while compatibility with SHIMANO's new 12 speed cassettes boosts range. FEATURES Fast and precise shifting performance optimized to take on any