Shimano 105 RD-R7100 12-Speed Rear Derailleur izyrent this lightweight in-mold helmet features

this lightweight in-mold helmet features impact-dissipating EPS foam with a sturdy polycarbonate shell

Snap System™ allows riders to place rear lights on many locations in both horizontal and vertical orientations

The SHIMANO HG93 chain features precise construction and improved durability perfect for 9-speed drivetrains

at just 201-grams

Shimano 105 RD-R7100 12-Speed Rear Derailleur izyrent this lightweight in-mold helmet featuresThe SHIMANO 105 12 speed rear derailleur combines the smooth and stable shifting that is a staple of SHIMANO SHADOW RD design with direct mount compatibility and a wider gear range capacity.