KMC X12 Chain - 12-Speed 126 Links Silver Model=Level T Disc Brake }SRAM XX1 XG-1199 Cassette -

}SRAM XX1 XG-1199 Cassette - 11 Speed 10-42t Silver For XD Driver Body

You can also rotate them on the bar to put them exactly where you need them

Compatible with all 10 speed chains

}Wheels Manufacturing PressFit 30 to Shimano Bottom Bracket with Angular Contact Bearings Black Cups

Oval ring shape is designed for riders that want to adjust the power profile of their pedal stroke

KMC X12 Chain - 12-Speed 126 Links Silver Model=Level T Disc Brake }SRAM XX1 XG-1199 Cassette -KMC X12 Chain 12 Speed 126 Links Silver. KMC X12 chains feature a double X bridge shape for fast and smooth shifting. Compatible with SRAM 12 speed systems Double X bridge shape with inner and outer plate chamfering for smooth and fast shifting Mushroom riveted pins for the highest pin power and allows shifting under heavy loads TECH SPECS Color Silver Half Link Chain No Drivetrain Speeds 12 Defined Color Silver Links (links) 126 Weight 268 Chain