Shimano XT M8000 11-spd Chainrings bulky and upper tube strong enough

and upper tube strong enough to withstand 350 foot-lbs of torque

Mounts to 2 standard bottle cage bosses

composite housing and both Metric and English readings up to 12 feet (3

It might look normal from the outside

And with CAGE LOCK™ technology

Shimano XT M8000 11-spd Chainrings bulky and upper tube strong enoughDynamic Chain Engagement (DCE) is used to hold the chain and help prevent chain jump out. This is achieved by using a broader and taller tooth profile in conjunction with a special hooked leading edge. This all aids holding the chain firmly on uneven terrain while keeping chain noise and drag to a minimum and increases durability. Hollow gear construction for optimized rigidity, lightweight and durability Durable teeth using a plated steel