Planet-X are always a good source;
http://www.planet-x-bikes.co.uk/i/q/BSSWFLPRO/swissstop_flash_pro_brake_pads
£18.99 at the moment. I've used both Swiss Stop and Kool Stop and go for the former every time now as they last significantly longer and offer better modulation.
@andyp 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.
Planet-X are always a good source;
http://www.planet-x-bikes.co.uk/i/q/BSSWFLPRO/swissstop_flash_pro_brake_pads
£18.99 at the moment. I've used both Swiss Stop and Kool Stop and go for the former every time now as they last significantly longer and offer better modulation.