Shimano Deore XT RD-M8130-SGS Rear Derailleur - 11-Speed Long Cage Black. The Shimano Deore XT M8130 LINKGLIDE 11-speed Rear Derailleur with SHADOW technology delivers smooth and decisive shifting. Roomy chain clearance and stability over rough mountain terrains reduce chain slap and droppage.

Designed to integrate with LINKGLIDE cassettes

Rear derailleur stabilizer reduces chain slap and improves chain stability

Low-profile design is optimized for rough terrain