
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
| Clamp Size | 22.2Mm |
| Color | Black |
| Mount Type | Right-Only |