Microshift R8 front derailleurs are optimized for 7 and 8 speed chains and Shimano compatible road shifters.
Features:
Cold forged aluminum body
31.8 adaptor included with 34.9mm clamp
Choose from 2x or 3x versions

Specifications:
Speed: 2 x 7/8 Speed or 3 x 7/8 Speed
Shifter Compatibility: Shimano Road
Shift Mechanism: Cable Actuated
Front Derailleur Style: Down Swing (High Clamp/Traditional)
Cable Pull: Bottom Pull
Max Chainring:52T (2x),50T (3x)
Derailleur Capacity:16T (2x), 20T (3x)
Chainline: 43.5mm (2x), 45mm (3x)
Chainstay Angle: 61 - 66º (2x), 63 - 66º (3x)
Color: Silver/Black
Weight: 141g