Extremely easy to install and adjust using a single 4mm Hex tool, without removing your cranks.
Suit for narrow-wide 30~40T chainring(round chainring), 30~38T chainring(oval chainring), Adjustable design
Never drop a chain ever again and double your narrow wide chain ring life.
Support specification: BB Mount
High-strength material, wear and resistance to deformation
Support specification: BB Mount. High-strength material, wear and resistance to deformation
Note: The Spacers is used to adjust the distance of the top part like the picture, Not used with bolts.

Technical Details

Product Details

Package Dimensions
Width : 2.52 inch
Height : 0.98 inch
Length : 5.12 inch

Shipping Weight: 2.4 ounce (View shipping rates and policies)

ASIN : B06ZY3C8TG