That's a BB-7610 sealed cartridge. BB-7600 is the loose ball BB for NJS
BB-7610 is NJS too, also a bit crap though. 7600s will work with any NJS BB - 75, hatta, suntour, shimano ect. Can also be converted to Jizz if you work out the right length
@B0N0R 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.
BB-7610 is NJS too, also a bit crap though. 7600s will work with any NJS BB - 75, hatta, suntour, shimano ect. Can also be converted to Jizz if you work out the right length