SRAM X.0 Rear Derailleurs 1:1 shifter-to-derailleur actuation ratio for precise light-action indexing Compatible with 7-, 8-, and 9-speed systems Replaceable 11-tooth pulleys with sealed-cartridge bearings Carbon composite and aluminum pulley cage Forged 7075 aluminum inner and outer parallelogram links Carbon composite and aluminum pulley cage Replaceable 11-tooth pulleys with sealed cartridge bearings Compatible with all SRAM 10 speed mountain and road shifters Item Specifications Color Black/Silver Weight 230g Intended Use Mountain Cassette Spacing Shimano/SRAM 9 Shifter/Derailleur Compatibility SRAM 1:1 Largest Cog 34teeth Chain Wrap Capacity 45teeth Derailleur Action Top-Normal (Traditional) Cage Length Long
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