Ambrosio 12-23 10 speed cassette that fits Shimano/SRAM freehub splines but use's Campag spacing (obviously you need campag brifters).
been used for about 25 miles in total, so absolutely loads of life left. needs a shimano/SRAM chain.
£20 posted in the U.K. (paypal gift please) or £15 collected (Bristol).
mrah702 [at] gmail.com