Handlebar Climbing Shifter

The SW-R600 is a very old but still popular climbing shifter. It is expensive, bulky and attaches to your handlebars using tie-wraps, but it is one of the few Di2 climbing shifters.
An alternative would be the SW-R9150 remote satellite climbing shifter.
Details & Specifications
Shimano model number: | SW-R600 |
Weight: | 12 g |
E-Tube Port type: | SD50 |
Type: | Shifting Switch |
Component series: | Non-series components NON (All) |