Cyclus Tools Chain Wear Indicator (Silver) Lens-Panoramic anti-fog & anti-UV lenses Front Derailleur- Shimano FD-TX500

Front Derailleur- Shimano FD-TX500

Waterproof up to IPX6

For enhanced color and contrast everywhere you go

Flexible and adjustable temple arms

T&C DLX '02 to '05

Cyclus Tools Chain Wear Indicator (Silver) Lens-Panoramic anti-fog & anti-UV lenses Front Derailleur- Shimano FD-TX500The chain wear indicator measures the degree of wear on the chain and thus determines the correct time to change the chain. If you use the chain wear indicator regularly, you will also avoid premature wear and replacement of other components such as sprockets and chainrings. Features placed on a chain link with the two short pins the long pin of the opposite side slides into the chain link plate if the long pin falls completely into the chain link