might be too spendy but http://www.amber-bikes.com/130_BCD_OvalRound/p3835754_16169544.aspx
Thanks, that does look to be the cheapest option going.
@Jon. started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
might be too spendy but http://www.amber-bikes.com/130_BCD_OvalRound/p3835754_16169544.aspx