Burley Extended Rails for Dash FM Child Bike Seat Weight-21.9 Co-molded "HD2" upper guide with

Co-molded "HD2" upper guide with softer durometer interior for silent guidance Chainguide Mount Type Shimano Steps Defined Color Black Max Tooth (teeth) 38 Mount Type Shimano Steps

AXS™ enabled for easy monitoring and firmware updates

Two-Speed Internally Geared Hub

Standard 6-bolt IS mount Rotor Size (mm) 220 Pad Compatibility All Pad Compounds Rotor Type Two Piece Hub/Disc Compatibility 6-Bolt

Burley Extended Rails for Dash FM Child Bike Seat Weight-21.9 Co-molded "HD2" upper guide withThe extended rails when added to the Burley Dash FM child seat provide additional clearance for bikes with larger tires or smaller sized frames. keyword search Dash FM