absoluteBLACK HOLLOWcage Oversized Derailleur Pulley Cage - For Shimano Dura-Ace 9250 Full Ceramic Bearings Carbon Cage BLK MFPN=11.6215.188.420 }SRAM X-Sync EX1 Sprocket Chainring

}SRAM X-Sync EX1 Sprocket Chainring for Bosch Motors 16T Straight Steel

Durable shop floor pump for regular tires also

1-inch hex drive interface compatible

Color Black Range 11-41 Cassette Cogs 11-13-15-17-20-23-26-30-41 Cassette Body Type Shimano/SRAM 8 9 10 Speed Drivetrain Speeds 9 Designed for ebike Yes Defined Color Black

absoluteBLACK HOLLOWcage Oversized Derailleur Pulley Cage - For Shimano Dura-Ace 9250 Full Ceramic Bearings Carbon Cage BLK MFPN=11.6215.188.420 }SRAM X-Sync EX1 Sprocket ChainringabsoluteBLACK HOLLOWcage Oversized Derailleur Pulley Cage For Shimano Dura Ace 9250 Full Ceramic Bearings Carbon Cage Black. The absoluteBLACKs HOLLOWcage for Shimano Dura Ace 9250 12 speed derailleurs makes the 9250 drivetrain whisper quiet. It features a carbon polymer mono plate construction with bespoke oversized full ceramic bearings and one of the most advanced silencing pulleys ever made. Designed for use with Shimano Dura Ace 9250 drivetrains