Shimano 105 FD-5703-B Front Derailleur Band type 3x10 speed Compatibility and Specs

Shimano 105 Front Derailleur FD-5703-B Band type 3x10 speed

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 (FD-5703-F-L) and the code for Sterling silver is S (FD-5703-F-S).

Band type means that with fit on your frame seat tube by a clamp that needs to be the diameter of your frame seat tube (28.6mm / 31.8mm or 34.9mm)
The derailleur is sold in two size: S (28.6mm/31.8) or L (34.9mm)

Wide inner link design
Improved chain guide shape
Cassette Compatibility 10-speed
Top Gear Teeth: 50T
Maximum Capacity: 20T
Chain Stay Angle: 63-66
Mounting: Band type
Chain Line: 45mm

Japan Retail price (L) 3.204 and (S/M) 3.258 yen (see cross rate here)

Compatible with ST-6703, ST-5703 and also with ST-7803, ST-6603, ST-6603G, ST-5603, ST-5603L, ST-R703 shifters.
Compatible with Shimano 10 speed chains: CN-7901, CN-6701, CN-5701 and also CN-5600, CN-6600, CN-7801.
Just stick with 10 speed parts (no 9 speed)

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