friction and wear on chainrings and cassette cogs

5" x 1 1/8

which is formed under pressure causing the WS2 and other additive to form a highly lubricious solid on the surface of the metal which acts not only as a lubricating surface

bottom bracket cover

The strong points of Corsa are the cotton casing and the graphene-enhanced compound

LEZYNE Classic Drive 500 Front Light - Black Cleaner friction and wear on chainringsA classic bike light with a modern twist, the Classic Drive 500 puts out up to 500 lumens (or up to 40 hours of runtime) via a single high output LED emitter. Its built around a sleek cylindrical housing that offers a compact and lightweight form factor. It offers eight output modes (including an attention grabbing Daytime Flash mode) and features side cutouts to increase lateral visibility. A versatile strap mounts it securely to most handlebars.