Shimano 105 RD-5700-GS Rear Derailleur 3x10 speed Compatibility and Specs

Shimano 105 Rear Derailleur RD-5700-GS

5700 series comes in 2 colors: Black or Silver. Price and specs are same whichever the coloring.

The parts code for Lodeatar black is L (RD-5700-GS-L) and the code for Sterling silver is S (RD-5700-GS-S).

This is Medium Cage type that will work with Triple crankset

Wide link design
Wide gear ratio compatible(11-28T)
Series 105
Cassette Compatibility: 10-speed
Maximum Sprocket: 28T
Minimum Sprocket: 11T
Maximum Front Difference: 16T
Total Capacity: 39T

Japan Retail price 5.027yen (see cross rate here)

Compatible with ST-7900, ST-6700, ST-6703, ST-5703, ST-5700, ST-4600, SL-4600.
Compatible with Shimano 10 speed Cassettes: CS-7900, CS-6700, CS-5700, CS-7800, CS-6600, CS-5600, CS-4600.
Compatible with Shimano 10 speed chains: CN-7900, CN-6700, CN-5701, CN-4601.

This is for road bike usage will also works for cyclo-cross / randonneur / touring, etc...