Lightweight front Top swing 10-speed trekking derailleur for smooth gear changesDual Pull design for use with top or bottom cable routingThe regular Multi-fit band clamp assures easy and secure fit on any frame type, with adaptersto suit seat tube sizes 34.9, 31.8 and 28.6 mmReinforced light weight chain guide adds rigidity and improved responseWider pivot link increases torsional rigidityEasy access angled adjustment screws and clamp boltAngled inner chain guide tail for increased tyre clearance10-speed design - for use with 10-speed trekking drivetrainsSpecifically developed for 68 and 73 mm bottom bracket shells with a 50 mm chain line63-66 degree chainstay to seat tube angle range44/48 tooth outer ring compatible, total capacity 22 teeth