Shimano R8150 Ultegra Di2 Groupset Shimano Ultegra FC-R8100 12 Speed Crankset (Chainring):50/34 or how harsh the conditions

or how harsh the conditions

Mounting: left

Aero water bottle

comfort and durability

bringing professional-level electronic shifting to every ride

Shimano R8150 Ultegra Di2 Groupset Shimano Ultegra FC-R8100 12 Speed Crankset (Chainring):50/34 or how harsh the conditionsThe Shimano Ultegra R8150 Di2 12 Speed Groupset is the goldilocks groupset in Shimano's road lineupdelivering flagship Di2 performance without the premium Dura Ace price tag. Finished in Ultegra's iconic satin grey, it's built for riders who demand fast, dependable shifting and proven durability, whether you're racing, training or chasing weekend bunch rides. Functional, refined and unapologetically utilitarian, Ultegra is where performance meets