Single-disc Chain Guide Protector Mountain Bicycle Aluminum Alloy ISCG 03/ISCG 05 BB Mount CNC Gear Guider MTB Accessories for 30-40T Round Chainring Feature: Alloy CNC machining, anodizing Suitable for round shape 30-40T / oval shape: 30T-38T Specification: Product Name: Single Disc Chain Guide Color: Black, Red Type: CS01BK, CS02BK, CS02RD, CS03BK, CS03RD Material: Aluminum alloy Weight: about 59g Packing size: about 150x100x40cm/5.91x3.94x1.57in Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. 

1 X Chain Guide