Shimano XT cranksets FC-M-770 and FC-M771 for 9-speed drivetrains

The left-hand replacement bearing for the Shimano XT Hollowtech II bottom bracket.

The right-hand replacement bearing for the Shimano XT Hollowtech II bottom bracket.

The 1.8 mm spacer ring of the Hollowtech II bottom bracket.

The 0.7 mm spacer ring in Hollowtech II bottom brackets.

Shimano Hollowtech II crank arm mounting bolt

Shimano spare part retaining plate, 1.4 x 2.5 mm, for the left crank arm of Deore XT cranks