Shimano BMR2SI Di2 Long External Battery Mount bike accessories brand_RhinoDillo Chromoly spindle

Chromoly spindle

1091R has cutouts in the outer links

This new rubber mix

but by combining 3D printing technology with this material that is 1/3 lighter than steel

and harnessing the consistent power

Shimano BMR2SI Di2 Long External Battery Mount bike accessories brand_RhinoDillo Chromoly spindleShimano Di2 External Battery Mounts All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions For use on frames that have a specific Di2 battery mounting location on the chainstay or down tube Compatible with both internal and external wiring kits 10mm mounting bolts