Silver Chainring Guard Handlebars but we don't test it

but we don't test it on others

Schwalbe inner tube  for both 26" (erd 559) and 650B/27

and THREADED

which makes them good for country and touring bikes

Some folks use it for harsh-conditions chain lube

Silver Chainring Guard Handlebars but we don't test itWorks with 110 BCD chainrings with 34t, 38t (for 36 38t) or 42t (for 40t to 42t). The S! LVER chainguard sits close to the chainring, so it totally prevents the chain from jamming between the outer ring and itself. Made of aluminum (don't let they magnet fool you, there is a steel door behind that white backdrop). These chainguards take the place of the outer (big) chainrings on the crank. You can either use a big chainring OR one of these