Ortlieb Back-Roller Plus Pannier - 23L Each Black MFPN=T4E4BL Shimano Ultegra FC-R8100 chainrings are

Shimano Ultegra FC-R8100 chainrings are constructed with high quality aluminum and are compatible with FC-R8100 and FC-8100-P 2x 12-speed cranksets

Requires a SRAM DUB bottom bracket (sold separately)

Valve Compatibility PrestaColor BlackIncludes Mount Bracket YesIncludes Gauge NoWeight 95Defined Color BlackPSI 70

Fits 12-notch bottom bracket tool fittings with a major diameter of 45-47mm and a minor diameter of 44mm

}Wheels Manufacturing Carbon Headset Spacer - 1-1/8" 10mm Matte 5 pack

Ortlieb Back-Roller Plus Pannier - 23L Each Black MFPN=T4E4BL Shimano Ultegra FC-R8100 chainrings areOrtlieb Back Roller Plus Pannier 23L Each Black. The Back Roller Plus is more than just a rear pannier. Its the original reimagined and perfected to meet all your requirements. Made from waterproof durable Cordura fabric in an elegant textile look it not only protects against moisture but also against dust and dirt no matter what adventure you choose. The waterproof outer pocket with a roll top closure keeps smaller contents dry and safe yet easily