CORE Seat bottombrackets SD-FK-001 comes with countersunk M3

SD-FK-001 comes with countersunk M3 x 8 mm bolt

Its classic styling gives an understated impression and makes it a great addition to many styles of bike - looks very well at home on retro ATB builds as well as on the urban fixed gear workhorse

sold as pair

The postmount brake capacity was increased to PM7 to allow for 180 - 220 mm rotors

CORE Seat bottombrackets SD-FK-001 comes with countersunk M3Built for maximum comfort on MTB and flatbar touring bikes. Also a great choice for cargo bikes and other urban utility bikes. Thick padding helps with optimum absorption of bumps on the trails and pot holed city streets. Colour Black Rail Color Black Rail Material CrMo Top Cover PU Vacuum bonded Dimensions 270 x 155 mm Extra Info Waterproof. No Visible Seams Weight 313 g