With 27 years of development, Shimano introduces the latest version of the ultimate MTB race components - XTR. Designed to meet the most competitive mountain bike racing needs with second-to-none performance. The new XTR M9100 Series brings the most versatile groupset for XC, enduro and marathon racing.

Chain Device
. Ensures stable drivetrain
. Optimized plate design for new generation chain
. Easy adjustment by screw
. Lightweight
. ISCG05 mount. MODEL NO: SM-CD800-I
. SERIES: XTR M9100 Series
. Color: Black
. Assumed rear sprocket teeth: 10-45T, 10-51T
. Back plate: Aluminium
. Chain compatibility: CN-M9100
. Chainguide: Resin
. Mount: ISCG05
. Spec: Single
. Top gear teeth: 30, 32, 34, 36, 38T