Stronglight SRAM Eagle XX1 / X01 1 X 12 Speed Chainring 34T - 6mm Offset Cassettes Servo Wave Action Power Adjuster: Tyre Width_2.2 Material Natural Pant Size:8 1G28294U10OS /

Servo Wave Action Power Adjuster: Yes

there is are low-maintenance cone bearings with a grease sleeve and high-quality seals

The Shimano Ultegra 6800 11-Speed Front Derailleur has been rebuilt from the beginning to produce a derailleur that provides simply outstanding shifting performance

Light action

New shifting characteristics improve both

Stronglight SRAM Eagle XX1 X01 1 X 12 Speed Chainring 34T 6mm Offset Cassettes Servo Wave Action Power Adjuster: Tyre Width_2.2 Material Natural Pant Size:8 1G28294U10OS Servo Wave Action Power Adjuster: Yes there is are low maintenance cone bearings with a grease sleeve and high quality seals