Shimano Saint RD-M800-SGS 9 speed rear derailleur

Shimano Saint RD-M800-SGS 9 speed rear derailleur. Shimano product code: RDM800SGS. Hub axle installation Revolutionary mounting system fixes rear derailleur to the hub axle. Adjustable Bump Stop Reduces noise and damage to frame and rear derailleur. Cable Tension Saver Allows the rear derailleur to absorb unintentional impact. Integrated Skid Plate design The smooth, reinforced rear derailleur lower surface moves the cable anchor to top to prevent damage and increase durability against impact. Low Normal Return Spring. Rapid Rise. 9-speed. Max. Sprocket: 34T. Min. Sprocket: 11T. Front Difference: 22T max. Total Capacity: 45T. Tension Pulley: sealed bearing. Pulley Bolts: stainless steel. Bracket Body: forged aluminum/painted. Plate Body: forged aluminum/painted. Plate Pivot Bolt: aluminum. Plate Pivot Seal: single O-ring. Outer Link: forged aluminum/painted. Inner Link: steel/plated. Link Pin Bushings: fluorine coated (2).