1. brake pad compatibility
2.front derailleurs
3.disc brake bleeding procedures 
4.Bottom brackets
5.internal cable routing
6.DI2 customization set up
7.cassette/derailleur compatibility
8.Freehub body/cassette compatibility
9.tubeless non-tubeless 
10.seat width
11.shoes
12.single or double
13.direct mount derailleur
14.finned or non-finned
15. metallic or organic




fuc i just wanna ride...................................................