Shimano Tiagra RD-4700-GS Rear Derailleur - 10 Speed, Medium Cage, Silver bmx and you get a performance

and you get a performance oriented training tire at a great price

Rival AXS HRD

Model: S-068

A classic MTB tire with large

Shimano Tiagra RD-4700-GS Rear Derailleur - 10 Speed, Medium Cage, Silver bmx and you get a performanceShimano Tiagra RD 4700 Rear Derailleurs Revised cable pitch offers accurate and long lasting performance Wide link design increases rigidity 11 tooth pulleys for reduced pulley wear and chain noise Compatible only with ST 4700 and ST 4703 shifters 39t capacity when used with double crankset, 41t with triple crankset 34t max low cog when used with double crankset, 32t when used with triple crankset Color: Silver Largest Cog: 34 Rear Derailleur Mount