Product Description· Super strength stainless steel rock ring which replaces the outer & middle chainrings to protect the inner chainring only
· Laser cut from 4mm 304 stainless steel.
· Brushed finish, with stamped dmr logo
· Available in or 4 bolt or 5 bolt compact drive patterns
· Available in 2 bolt patterns: 4 bolt (104 pcd) 5 bolt
. compact drive / 5 bolt FSA fitting