microSHIFT Mountain Pull Thumb Shifter Mount Left MFPN=102001X2SX123101 Front Derailleur: Shimano GRX FD-RX400-F

Front Derailleur: Shimano GRX FD-RX400-F

Unique heat safe cylinder packaging offers an easy way for first time wax users or those without a dedicated wax melter to just use a hot water bath to melt the wax and treat their own chains

Side eyelet for mounting a front light

3 speed twist shifter with optical display

A non-fluor version of HF21 Graphite

microSHIFT Mountain Pull Thumb Shifter Mount Left MFPN=102001X2SX123101 Front Derailleur: Shimano GRX FD-RX400-FReplacement microSHIFT thumb shifter mounts allow you to replace broken units or convert microSHIFT bar end shifters to thumb lever mount for flat bar compatibility. Pull Type Mountain Side Left