Shimano Ultegra Di2 24 speed R8170

 Chainset: Shimano 8100, HollowTech 2, 12-speed 

Gear Shifters: Shimano ultegra R8170

*Number of Gears: 24

Chainrings: 50/34t  52-36t

Rear Cassette: Shimano ULTEGRA , 12-speed, 11-30t

Front Derailleur: ULTEGRA 8170,

Rear Derailleur: Shimano ULTEGRA 8170 GS, medium cage

Brakes: 

BR-R8070-R

SHIMANO ULTEGRA – Flat Mount – Hydraulic Disc Brake – Rear Caliper

BR-R8070-F

SHIMANO ULTEGRA – Flat Mount – Hydraulic Disc Brake – Front Caliper

Brakes

BR-R8070-R

SHIMANO ULTEGRA – Flat Mount – Hydraulic Disc Brake – Rear Caliper

BR-R8070-F

SHIMANO ULTEGRA – Flat Mount – Hydraulic Disc Brake – Front Caliper