To fit 36 tooth chainring. Compatible with 104BCD, 4-bolt. Used with plenty of life in it. Some scratches and bashes as seen on photos.
GEBHARDT ROCK RING CLASSIC CYCLOCROSS BASH GUARD, 130 & 135BCD
Shimano SMCD SM-CD50 36T chain guide rock ring bash guard Sku5016
Shimano SMCD SM-CD50 34T chain guide rock ring bash guard
Shimano SMCD SM-CD50 38T chain guide rock ring bash guard
Retro FSA / DMR Crank set with DMR Bash Ring Rock Ring Trials Black.
VINTAGE HOCKEY STICK STEEL CHAIN GUARD BASH GUARD CLASSIC BICYCLE + BRACKETS
