Felt FR Ultra Dura-Ace DI2 size:47 the SW-R600 Remote Climbing Shifter

the SW-R600 Remote Climbing Shifter is a part you'll want to add

4º and 5º degree side-edge angle

aggressive snow conditions

By using the innovative and unique pad tech-nology

remaining inside the chain even in testing under full water submersion

Felt FR Ultra Dura-Ace DI2 size:47 the SW-R600 Remote Climbing ShifterMeet the FR FRD Ultra Dura Ace Di2. Theres a reason its our flagship race bike. Actually, there are dozens of reasons. But heres all you need to know: If youre looking for the best handling, fastest climbing, smoothest riding road racing bike in the world, youve found it. Must be built, and maintained, by an authorized a Felt dealer to validate warranty.