MTB-tuned rear derailleur for LINKGLIDE drivetrains The DEORE XT M8130 LINKGLIDE 11-speed Rear Derailleur with SHADOW+ technology delights with its smooth and decisive shifting. Roomy chain clearance and stability over rough mountain terrains reduce chain slap and droppage. FEATURES Smooth decisive shift performance Smoother shifting System designed to integrate with LINKGLIDE cassettes Rear derailleur stabilizer reduces chain slap and improves chain stability Low-profile design is optimized for rough terrain ***These are OEM Shimano Parts, Brand new, Never Installed on Bike, Never used in any way, just NOT in retail packaging.***