SRAM X1 Rear derailleur 11sp. Type 2.1 Long cage MFPN=TL00080 } Lightweight CNC machined 7075

} Lightweight CNC machined 7075 aluminum guard protects middle and inner chainring from impacts

}SwissStop Catalyst Pro Disc Rotor - 220mm CenterLock Silver/Black

Elastic panels provide improved mobility so you can perform your best without restrictions

Same features and materials as 40-series complete headsets

SRAM X1 Rear derailleur 11sp. Type 2.1 Long cage MFPN=TL00080 } Lightweight CNC machined 7075SRAM X1 Rear Derailleur 11 Speed Medium Cage Black. The X1 group has all the important features of the high priced spread with a modest increase in weight. Wide tooth narrow tooth pulley wheel maximizes chain control by fitting inner and outer chain links perfectly X Horizon design maintains constant chain gap across all gears and eliminates ghost shifting Roller bearing clutch eliminates derailleur bounce and chain slap Cage Lock feature simplifies