Shimano Ultegra BR-8170 Hydraulic Disc Brake Caliper - Rear Flat Mount Finned Resin Brake Pads Model=Dura-Ace 9000 }Zipp Service Course Stem -

}Zipp Service Course Stem - 120mm 31

Spoke Interface J-Bend Skewer Included No Defined Color Purple Rear Axle 12mm Thru x 157mm Color Purple Flange Diameter Right 60 Flange Diameter Left 58 Weight 304 Hub Drilling 32 Bearing Type Sealed Cartridge Hub/Brake Compatibility 6-Bolt Disc Cassette Body Type SRAM XD 11/12 Speed Center to Flange Right 29 Center to Flange Left 41

Low profile taillight design with a full LED light panel

}Surly Ultra New Disc Front Hub - QR x 100mm 6-Bolt Silver 32h

Shimano Ultegra BR-8170 Hydraulic Disc Brake Caliper - Rear Flat Mount Finned Resin Brake Pads Model=Dura-Ace 9000 }Zipp Service Course Stem -Shimano Ultegra BR 8170 Hydraulic Disc Brake Caliper Rear Flat Mount Finned Resin Brake Pads. The Ultegra BR R8170 disc brake caliper brings a new level of control to the road cycling world with enhanced modulation and a quicker initial braking point. Despite its smaller construction the system is quiet and easy to maintain. Wider pad clearance decreases brake noise Maintenance friendly bleeding process TECH SPECS Brake Caliper Type Flat Mount Brake