Shimano Road Shifter Parts, Adjusting Blocks
Sunday, Sep 29 2019 (about a year ago)
Shimano Tiagra ST-4600 4 & 8-Degree Shift Lever Reach Adjusting Block (Left)
This worked so well! My hands weren't big enough to operate my bike's brakes, but now the sizing is perfect (with the 8-degree shift). Be sure to buy the Right one as well!