Shimano XTR FC-M9125-1 Crankset - 175mm 12-Speed 1x Direct Mount Hollowtech II Spindle Interface CheckoutSpec= Metric 210x50mm }Promax CF-2 Crankset - 160mm

}Promax CF-2 Crankset - 160mm 24mm Spindle 2-Piece 68mm English BB Included Red

Two-bolt quick release head for easy saddle installation fore / aft and tilt adjustments

Unchanged Q Factor (145

Pirelli replaced the standard latex inner tube with TPU (thermoplastic polyurethane) a cutting-edge material that blends the same qualities of speed and puncture protection of the latex with a significant weight reduction

}CeramicSpeed UFO Clean Drivetrain - 1L Pack of 6

Shimano XTR FC-M9125-1 Crankset - 175mm 12-Speed 1x Direct Mount Hollowtech II Spindle Interface CheckoutSpec= Metric 210x50mm }Promax CF-2 Crankset - 160mmShimano XTR FC M9125 1 Crankset 175mm 12 Speed 1x Direct Mount Hollowtech II Spindle Interface. The Shimano XTR FC M9125 crankset features a lightweight and rigid design thanks to Hollowtech II crank construction. Chainrings can be easily exchanged with the direct mount system and one key release. Single front chainring set up (chainring not included) Crank can be exchanged between single and double front chainring set ups Light and stiff desgin