Wolf Tooth Components Aero Chainring 8-Bolt Drop-Stop B 50T Blk MFPN=DROPOUT-298 }Shimano 105 RD-R7150 Di2 Rear

}Shimano 105 RD-R7150 Di2 Rear Derailleur - 12-Speed For 2x12 Speed Direct Mount Black

Used by our pros for XC racing at the highest level on fast

5" 120 mm 9 x 100 mm 42 mm Offset Black Straight A3

}Shimano Deore RD-M5130 Rear Derailleur - 10-Speed Medium Cage Black

}microSHIFT ADVENT Cassette - 9 Speed 11-46T ED Black Hardened Steel Cogs

Wolf Tooth Components Aero Chainring 8-Bolt Drop-Stop B 50T Blk MFPN=DROPOUT-298 }Shimano 105 RD-R7150 Di2 RearTaking advantage of 1x drivetrain systems and wider range rear cassettes, Aero chainrings provide similar overall range to standard 2x drivetrain configurations while helping to optimize each detail in pursuit of speed Aero direct mount chainrings for SRAM 8 Bolt cranks replace your existing spider and chainring with one clean looking, lightweight, and stiff piece of machined billet, optimized for SRAM Eagle and Flattop chains Chainline is 45mm on