Robert Axle Project Lightning Thru-Axle Front NAILD 100mm - Black MFPN=19-000503 }Shimano Ultegra RD-RX800-GS Rear Derailleur

}Shimano Ultegra RD-RX800-GS Rear Derailleur - 11 Speed Medium Cage Black With Clutch

Derailleur Capacity 16 Double or Triple Double Drivetrain Speeds 12 Front Der/Shifter Compatibility Shimano Road Di2 Front Derailleur Cable Pull Electronic Front Derailleur Clamp Braze-on Front Derailleur Style Traditional Max Ring (teeth) 54

0mm 260mm J-bend Black Box of 100

Nose Platform - Wider nose to aid in climbing

Robert Axle Project Lightning Thru-Axle Front NAILD 100mm - Black MFPN=19-000503 }Shimano Ultegra RD-RX800-GS Rear DerailleurLightweight thru axles, providing a better alternative to stock axles Low profile design with a clean appearance Machined to the highest standards in the industry Not compatible with trailers or trainers Use the Robert Axle Finder (below) to find the correct axle When multiple axle lengths are listed, the axle includes a spacer. The two lengths are with and without the spacer Designed, tested and made in Bend Oregon Third party online sales strictly