Shimano Tourney RD-A070 7-Speed Short Cage Rear Derailleur with Smartcage Technology Brand_Pro Gold this 170mm crankset is ideal

this 170mm crankset is ideal for road cycling enthusiasts seeking reliable performance

Constructed from high-strength materials ensuring long-lasting performance and resistance to wear and fatigue under strenuous cycling conditions

0 stainless steel spokes for added strength and weight savings

Advanced-downturned design integrates innovative support technology to enhance precision and power transfer during steep climbs and overhangs

Shimano Tourney RD-A070 7-Speed Short Cage Rear Derailleur with Smartcage Technology Brand_Pro Gold this 170mm crankset is idealShimano Tourney RD A070 Rear Derailleurs Smartcage design with 11 13t pulleys allows for short cage and a 28t max low cog