Shimano ALIVIO RD-T4000 9-Speed Rear Derailleur Long Black pickuponly Handy "loosening shelf" to remedy

Handy "loosening shelf" to remedy stiff links after reassembly

recommended for Tiagra drivetrainsChain uses a directional design with specifically shaped inner and outer plates to optimise shifting over the chainset and cassetteOuter plate design has been developed to reduce the chance of chain suckThe inner plate has been developed for better contact with gears providing smoother shifting under high load

Fits common frames with included steel quick release skewer for 120mm

simplifying crankarm compatibility

12° flare angle

Shimano ALIVIO RD-T4000 9-Speed Rear Derailleur Long Black pickuponly Handy "loosening shelf" to remedySHIMANO ALIVIO Rear Derailleur SHIMANO SHADOW RD 9 speed. The super low profile concept SHIMANO SHADOW RD technology keeps the SHIMANO ALIVIO M4000 derailleur safe from trail obstacles.