The Shimano Tourney RD-TX55 6/7-speed rear derailleur features SIS shifting and is mega range compatible with an advanced light action design.

• Shimano FD-TX50 Tourney Front Derailleur (34.9-28.6-mm 3x6/7 Speed Low-Clamp)
• B003B8JYPU
• B001NVAI7U
• B001G0X2DA
• Park Tool FR-1 Freewheel Remover for Shimano Freewheels