Paul Component Engineering Thumbies Right-Only Shifter Mount Shimano 31.8mm BLK

Paul Component Engineering Thumbies Right-Only Shifter Mount Shimano 31.8mm Black. Paul Components Thumbies turn bar-end shifters into flat-bar shifters.

Thumbies have a hinged clamp for an easy installation

They have a shifter mounting boss that fits Shimano bar end shifters and most Shimano downtube shifters

Machined in the USA of 6061 aluminum