Burley Dash Frame Mount Child Seat - Extended Rails - Black/GrayBurley Dash FM kid carrier with extended rails provides additional clearance for bikes with larger tires or smaller sized frames. Adventure becomes even more accessible and fun with this added offering to fit even more bikes. Great for families looking for a smaller footprint quickly attach this rear frame mounted child bike seat and enjoy exploring more by bike. Frame Mount connection easily installs on bike frames with round or oval tubes` Provides