Shimano,105,rear,Derailleurs,30t Max Low Gear when used with triple crank,32t Max Low Gear when used with double crank,10-speed Large,11-tooth pulleys with sealed bearing for smooth quiet running Compatible with 9 or,10 speed shimano,drivetrains Not compatible with Dura-Ace 8,speed shifters Color:,black,Intended Use: Road Cassette Spacing: shimano,RD,10 SRAM,10 Shifter/Derailleur Compatibility: shimano,Derailleur Action: Top-Normal (Traditional) Cage Length: Medium
