Front

The Shimano Tourney TX800 front derailleur offers precise shifting with HYPERDRIVE technology for 3x8 speed drivetrains. - Action: TOP SWING - Angled clamp band design - Applicable Top-Mid tooth difference: 10T - Chain line: 47.5/50mm - Chain stay angle: 66-69 - Top gear teeth: 42T/48T - Total capacity: 20T

Shimano service essentials This Shimano front derailleur support bolt and plate kit are for use with select Shimano braze-on front derailleurs and provide additional derailleur support and adjustment for best shifting performance. Product details For use with Shimano Dura-Ace 9100, Ultegra 8000/6800, 105 5800, Tiagra 4700/4703, GRX RX810, and Metrea U5000 front derailleurs Plate installs on seat tube behind front derailleur using pre-applied adhesive Bolt installs using 2mm hex through center of front derailleur