absoluteBLACK Direct Mount Narrow Wide Chainring - Shimano Direct Mount - Not Applicable - Oval - Black - 12 Speed Shimano - 34T YGroup_7033736200237 The XT BB-MT800 uses smaller

The XT BB-MT800 uses smaller ball bearings for smooth operation while durable seals keep the dirt and grime out

It's also I-SPEC EV compatible for full on-bar system integration

No tools necessary to install

11-42t: 11-13-15-17-19-21-24-28-32-36-42

Chain Compatibility:

absoluteBLACK Direct Mount Narrow Wide Chainring - Shimano Direct Mount - Not Applicable - Oval - Black - 12 Speed Shimano - 34T YGroup_7033736200237 The XT BB-MT800 uses smallerabsoluteBLACK is dedicated to producing the world's finest oval chainrings and were the first to crack the code to discover the correct shape and 'clocking' to make an oval chainring work. They learned how to maximize the part of the stroke where power is produced and minimize resistance where it isn't. The oval shape smooths the delivery of power throughout the pedal stroke and improves efficiency and energy conservation. Many other brands have