This post compares the advantages and disadvantages of Shimano's 105 Di2 and Ultegra's mechanical series in relation to one another. The Advantages of 105 Di2 Affordable Electronic Shifting 105 Di2…
Condensed Answer: The Tiagra 4700 series is a 10-speed road groupset from Shimano with special characteristics. The shifters have a unique cable pull; the derailleurs have the shift ratio of…
Condensed answer: An Ultegra chain can be integrated into a 105 drivetrain as long as it matches the number of speeds that the bike has. Otherwise, the shifting will be…
Condensed answer: Ultegra rotors can be combined with 105 calipers when the rotors are of the correct size and rely on a mounting mechanism compatible with the hubs of the…
Condensed Answer: If the derailleur and the cassette are designed for the same number of speeds, then in most cases, it's totally acceptable to combine a 105 rear derailleur with…