This CNC chain guide by DEKAS is ISCG 03 mount, made from a super high quality alloy, and only 30 grams in weight! The chain guide itself is a quality, hard wearing nylon for quiet operation. Designed to keep your chain in place on a 30-40t chainring drive system using a ISCG 05 mount type.
Available in black, gunmetal, blue, red, green and purple.