Shimano GRX RX810 Chainring - 48t 110 BCD 4-Bolt 11-Speed Black Model=BB-ES51 Bottom Bracket Rock-N-Roll Absolute Dry lubricant is

Rock-N-Roll Absolute Dry lubricant is a super clean chain lube that picks up little or no dirt

}DT Swiss 180 EXP Rear Hub - 12 x 142mm Center-Lock HG 11 Road Black 24H Straight Pull 36pt

Features replaceable stainless steel bearings

}microSHIFT MarvoLT M46 Rear Derailleur - 89 Speed Long Cage Black

Shimano GRX RX810 Chainring - 48t 110 BCD 4-Bolt 11-Speed Black Model=BB-ES51 Bottom Bracket Rock-N-Roll Absolute Dry lubricant isShimano GRX RX810 Chainring 48t 110 BCD 4 Bolt 11 Speed Black. These chainrings are designed for the Shimano GRX FC RX810 crankset. TECH SPECS Color Black Ring Position Type Outer Tooth Count 48 Drivetrain Speeds 11 Chainring BCD 110 Shimano Asymmetric Defined Color Black