Problem Solvers Direct Mount Adaptor 39.5mm offset 100mm BB 34.9mm clamp w/shims 31.8/28.6 CheckoutTitle=SRAM Level Bronze Stealth Disc Brake Lever Assembly - Aluminum Lever Blade Shifter has a trim position

Shifter has a trim position when front derailleur is in the large chainring

and more of the tire maintains contact with the road

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Problem Solvers Direct Mount Adaptor 39.5mm offset 100mm BB 34.9mm clamp w/shims 31.8/28.6 CheckoutTitle=SRAM Level Bronze Stealth Disc Brake Lever Assembly - Aluminum Lever Blade Shifter has a trim positionProblem 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. Works for Shimano and SRAM High Direct Mount front derailleurs 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