RaceFace ARC 30 Rim - 27.5" Disc Black 28H Offset ModelNumber=MTOPEAK27 }Shimano BR-R451 Rear Mid-Reach Road

}Shimano BR-R451 Rear Mid-Reach Road Caliper Silver

}Wheels Manufacturing Thin Flange Bottom Bracket Socket - SRAM 52mm 16-notch

}Shimano Dura-Ace R9160 Di2 TT Bar End Shifters 1-Button Design Syncro Shift compatible

Double-butted alloy extensions with micro armrest plates and micro-thin pads

RaceFace ARC 30 Rim - 27.5" Disc Black 28H Offset ModelNumber=MTOPEAK27 }Shimano BR-R451 Rear Mid-Reach RoadRaceFace ARC 30 Rim 27. 5" Disc Black 28H Offset. The ARC Offset rims utilize an asymmetrical design to optimize spoke tension balance wheel durability and wheel stiffness. New 6069 Alloy provides a superior strength to weight ratio significantly improving toughness. Offset nipple bed for improved spoke tension balance and wheel strength stiffness Tubeless ready strong tire retention bead TECH SPECS Color Black Rim Width (Internal) 30 Brake Track None