Engineered for the way you ride. As Mountain bikes continue to become more diverse, obviously components must evolve. New Shimano Deore XT addresses the various needs of today's riders. New mechanism rear derailleur "SHIMANO SHADOW RD", specially designed for all mountain riding. Together with double-servo mechanism derailleurs now, you have the right choices for several off road riding styles. New XT disc brake, a new level of performance and controllability, features high power braking. "Engineered for the way you ride". With the same concept to as XTR, new DEORE XT is born.

Features

* HOLLOWTECH ll Crankset

* Steel/carbon composite construction and middle gear doubles durability.

* Thicker and stiffer 44T ring.

* Amazing shifting performance

Specifications

Model Number FC-M770

Series DEORE XT

Crank Construction HOLLOWTECH II

Cassette Compatibility 9-speed

Chain Compatibility Super Narrow HG for 9-speed

4-Arm Chainrings yes

Cahainring Sizes 44-32-22T

Bolt Circle Diameter 104/64mm

Crank Arm Length 165/170/175/180mm

Crank Arms forged aluminum / hollow type

Outer Chainring aluminum

Middle Chainring steel + composite

Inner Chainring aluminum

Chainring Bolts & Nuts aluminum (bolt), steel (nut)

Chain Guard no

Chaincase Compatible no

Bottom Bracket included

E-type FD Compatible yes

Chain Line 50mm

BB Shell Width 68/73mm

Average Weight 853g including BB