Shimano Road Gear Cable Set - Y0BM98040

Yes, while designed for Dura-Ace R9100, it is compatible with most Shimano mechanical road shifting systems that use standard 1.2 mm inner cables.

It is not recommended, as the housings are already internally lubricated with silicone grease; adding extra grease can sometimes attract grit and increase friction.

Yes, you should use high-quality, sharp housing cutters to ensure the cable ends are clean and the housing structure remains intact.

The OT-RS900 is more flexible and intended for the tight loop required by Shadow-style rear derailleurs, while the OT-SP41 is designed for general indexing accuracy.

For optimal performance, replace cables once a year, or sooner if you notice fraying, significant friction, or shifting degradation.

Ensure that the housing ends are cut square and are not pinched; check for tight bends in the cable routing that may cause the inner wire to bind.

This is usually caused by using dull wire cutters. Trim the frayed section off with sharp cutters or replace the wire if the fraying is significant to prevent internal snagging.

Confirm that the cable tension is correct and that the housing is properly seated in all frame stops and the derailleur adjusters.