Shimano GRX RD-RX400 10-Speed Rear Derailleur Bike Accessories Brand_Box Four running errands around town

running errands around town

If you'll be inflating your tires to 45psi or less

The moderately stiff R4 outsole strikes a balance between comfort and pedalling efficiency to make it a true all-rounder

Super-narrow 9-Speed construction

Longer elastic core for better support of muscles

Shimano GRX RD-RX400 10-Speed Rear Derailleur Bike Accessories Brand_Box Four running errands around townCage Length N A Total Capacity 41T Max Front Difference 16 Cable Adjuster X Color SERIES COLOR Average Weight 303g Mount Direct attachment (conventional) Direct mount compatible Number Of Pulley Teeth 11 Series GRX Generation RX400 Max Low Sprocket 36 Min Low Sprocket 32 Rear Speeds 10 Top Normal Spring Type Shimano Shadow RD+