Shimano RD-R9250 Dura Ace Di2 12 Speed Rear Derailleur Bike Accessories_Handlebars and we’re bringing it back

and we’re bringing it back for a new generation

Those looking for an aggressive position

This 17/17-tooth OSPW system for SRAM eTap derailluers is compatible up to a 32 tooth cassette size and with both short cage & WiFli derailluer bodies

Countless effective edges work together to grip on a variety of terrain

Shimano RD-R9250 Dura Ace Di2 12 Speed Rear Derailleur Bike Accessories_Handlebars and we’re bringing it backCAGE LENGTH One Spec TOTAL CAPACITY 37T MAX FRONT DIFFERENCE 16 COLOR SERIES COLOR AVERAGE WEIGHT 215g MOUNT Direct attachment (conventional) NUMBER OF PULLEY TEETH 11 SERIES Dura Ace GENERATION R9200 MAX LOW SPROCKET 34T MIN LOW SPROCKET 28T REAR SPEEDS 12