CeramicSpeed OSPW Pulley Wheel Aero Alpha System Shimano 9250/8150 - Coated Races Aluminum Pulley Carbon Cage BLK MFPN=HXCOXBXB1 The new Madshus Redline is

The new Madshus Redline is a complete re-engineering of the successful Redline 3

Frame Mount Width 49

7075 aluminum 42t and 50t cogs

}Full Speed Ahead Comet MegaTooth Direct Mount Chainring - 32t FSA Direct Mount For 12-Speed Shimano Hyperglide+ Black

CeramicSpeed OSPW Pulley Wheel Aero Alpha System Shimano 9250/8150 - Coated Races Aluminum Pulley Carbon Cage BLK MFPN=HXCOXBXB1 The new Madshus Redline isThe CeramicSpeed OSPW Aero ALPHA system for Shimano 9250 8150 derailleurs updates the fastest proven aero derailleur cage to include CeramicSpeed's patent pending ADR bearing protection and quiet performing ALPHA disc with composite tooth profile pulleys. Furthermore a speed defying pinstripe graphic has been added for a splash of visual motion. Largest Cog 34 Fits Model Ultegra 8150 Fits Brand Shimano Drivetrain Speeds 12 Defined Color Black