The Cyclo Chain Wear Indicator is a handy tool to have around your workshop or garage when your tyres seem to look a little thin with a range of 0.75% - 100% indication of wear, you will never be caught off guard when you have a loss of tread on your tyres. Cyclo Chain Wear Indicator Features High quality materials and engineering 75% indcates chain will need replacing soon, 100% = Chain needs replaced
Best Price: £6.49 from Leisure Lakes Bikes