Problem Solvers Direct Mount Adaptor 55mm offset 100mm BB 34.9mm clamp w/shims for 31.8/28.6. These handy adaptors allow riders to install direct-mount derailleurs onto frames without the necessary mounts.
Works for Shimano and SRAM High Direct Mount front derailleurs
| Front Derailleur Clamp | 28.6 (1-1/8") |
| Front Derailleur Clamp | 31.8 (1-1/4") |
| Front Derailleur Clamp | 34.9 (1-3/8") |
| Front Derailleur Clamp | High Direct Mount |
