Problem Solvers Direct Mount Adaptor 39.5mm 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.
- TECH SPECS
| 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 |
