SRAM XPLR PG-1231 Cassette - 12-Speed 11-44t Silver D1 Derailleur Capacity-22 }Gates Carbon Drive CDX CenterTrack

}Gates Carbon Drive CDX CenterTrack Belt - 250t For Tandems Black Outer / Blue Toothface

}Wheels Manufacturing Derailleur Hanger - 312

The absoluteBLACKs HOLLOWcage® for Shimano Dura-Ace 9250 12-speed derailleurs makes the 9250 drivetrain whisper quiet

Specific frame and headset required

1 1/8" steerer Rims Cannondale Disc

SRAM XPLR PG-1231 Cassette - 12-Speed 11-44t Silver D1 Derailleur Capacity-22 }Gates Carbon Drive CDX CenterTrackSRAM XPLR PG 1231 Cassette 12 Speed 11 44t Silver D1. Maximum range minimum fuss. This SRAM XPLR PG 1231 12 speed 11 44t cassette provides 2x range in a 1x package and fits on a traditional 11 speed driver body for broad integration. The smooth cog progression keeps jumps between cogs tightest when its time to go fast with more meaningful gaps for climbing. 12 Speed cassette is designed for use with XPLR 1x rear derailleurs 400% range gives the