Chain catcher dirt3 black

Adjustable MTB chain catcher compatible with most common bottom brackets with external cups

. It utilizes outboard bearing bottom brackets by replacing a 2.5mm spacer on the external bottom bracket cups. 
18g of 6061 T6 aluminium - manufactured in Boise, Idaho/USA - won't weigh you down. 

Since the mounting is the same as an E-Type derailleur, E-Type derailleurs are not compatible. 
K-Edge Triple Chain Catchers can be used on small chainrings sized 22-26 teeth.
material: 6061 T6 aluminum, CNC machined, anodized

Made in Boise, Idaho, USA.